# List of Piper species

The following is a list of all 2400 species in the flowering plant genus Piper which are recognised by Plants of the World Online as of 18May2022.

## A

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* Piper abajoense Bornst.
* Piper abalienatum Trel.
* Piper abbadianum Yunck.
* Piper abbreviatum Opiz
* Piper abellinum Trel. & Yunck.
* Piper aberrans C.DC.
* Piper abutiloides (Kunth) Kunth ex Steud.
* Piper achoteanum Trel.
* Piper achotense Trel. & Yunck.
* Piper achromatolepis Trel.
* Piper achupallasense Yunck.
* Piper acre Blume
* Piper actae Trel.
* Piper acutamentum C.DC.
* Piper acutibracteum C.DC.
* Piper acutifolium Ruiz & Pav.
* Piper acutilimbum C.DC.
* Piper acutissimum Trel.
* Piper acutistigmum C.DC.
* Piper acutistipulum C.DC.
* Piper acutiusculum C.DC.
* Piper acutulum Trel.
* Piper adamatum Trel. & Standl.
* Piper addisonii Yunck.
* Piper adenandrum (Miq.) C.DC.
* Piper adenophlebium Trel.
* Piper admirabile Yunck.
* Piper adreptum Trel.
* Piper aduncum L.
* Piper aequale Vahl
* Piper aereum Trel.
* Piper aeruginosibaccum Trel.
* Piper affectans Trel.
* Piper affictum Trel.
* Piper afflictum Trel.
* Piper agellifolium Trel. & Yunck.
* Piper aghaense E.F.Guim. & Carv.-Silva
* Piper agostiniorum Steyerm.
* Piper aguacalientis Trel.
* Piper aguadulcense Yunck.
* Piper agusanense C.DC.
* Piper ailigandiense Callejas
* Piper alajuelanum Trel.
* Piper alatabaccum Trel. & Yunck.
* Piper alatipetiolatum Yunck.
* Piper albamentum C.DC.
* Piper albanense Yunck.
* Piper albiciliatum Yunck.
* Piper albidiflorum C.DC.
* Piper albidistigmatum C.DC.
* Piper albidum Kunth
* Piper albogranulatum Trel.
* Piper albomaculatum D.Dietr.
* Piper albopapillatum Trel.
* Piper albopilosum Yunck.
* Piper albopunctatum C.DC.
* Piper albopunctulatissimum Trel.
* Piper albozonatum C.DC.
* Piper albuginiferum Trel.
* Piper alexii Callejas
* Piper aleyreanum C.DC.
* Piper allardii Yunck.
* Piper allatum Trel.
* Piper allisum Trel.
* Piper alnoides (Kunth) Kunth ex Steud.
* Piper altevaginans Trel.
* Piper alushii Callejas
* Piper alveolatum Opiz
* Piper amalago L.
* Piper amoenum Yunck.
* Piper amparoense Yunck.
* Piper amphibium Trel.
* Piper amphioxys Trel.
* Piper amphitrichum Trel.
* Piper amphoricarpum Trel.
* Piper amplectenticaule Trel. & Yunck.
* Piper amplum (Kunth) Steud.
* Piper anastylum Trel.
* Piper andakiensis W.Trujillo-C. & Callejas
* Piper andreanum C.DC.
* Piper andresense Trel.
* Piper androgynum C.DC.
* Piper angamarcanum Sodiro ex C.DC.
* Piper angsiense I.M.Turner
* Piper angustifolium Lam.
* Piper angustipeltatum Merr.
* Piper anisophyllum Trel.
* Piper anisopleurum C.DC.
* Piper anisotis Hook.f.
* Piper anisotrichum C.DC.
* Piper anisum (Spreng.) Angely
* Piper annulatispicum Trel. & Yunck.
* Piper anonifolium (Kunth) Steud.
* Piper anonymum Trel.
* Piper anostachyum Yunck.
* Piper antherisobovatum Callejas
* Piper antioquiense C.DC.
* Piper antonense Callejas
* Piper apertum Trel.
* Piper apodum Trel.
* Piper appendiculatum (Benth.) C.DC.
* Piper apurimacanum Trel.
* Piper apus Trel.
* Piper aramanum C.DC.
* Piper araneatum Trel.
* Piper araquei Yunck.
* Piper arbelaezii Trel. & Yunck.
* Piper arboreum Aubl.
* Piper arborigaudens C.DC.
* Piper arborioccupans Trel. ex Callejas
* Piper arcessitum Trel.
* Piper archeri Trel. & Yunck.
* Piper arcteacuminatum Trel.
* Piper arcuatum Blume
* Piper arduum Trel.
* Piper arenicola Trel.
* Piper areolatum (Miq.) C.DC.
* Piper arfakianum C.DC.
* Piper argentamentum Trel. & Yunck.
* Piper argyrites Ridl. ex C.DC.
* Piper argyroneurum Hallier f.
* Piper argyrophyllum Miq.
* Piper arieianum C.DC.
* Piper aristolochiphyllum Quisumb.
* Piper armatum Trel. & Yunck.
* Piper aromaticaule Callejas
* Piper arrectispicum Trel.
* Piper arreptum Trel.
* Piper artanthe C.DC.
* Piper artanthopse C.DC.
* Piper articulatum A.Rich.
* Piper arunachalense Gajurel, Rethy & Y.Kumar
* Piper arundinetorum Trel.
* Piper ascendentispicum Trel.
* Piper asclepiadifolium Trel.
* Piper aserrianum Trel.
* Piper aspericaule Trel.
* Piper asperilimbum C.DC.
* Piper asperiusculum Kunth
* Piper asperulibaccum C.DC.
* Piper asplundii Yunck.
* Piper asterocarpum Trel.
* Piper asterostigmum Quisumb.
* Piper asterotrichum C.DC.
* Piper asymmetricum C.DC.
* Piper atlantidanum Trel.
* Piper atrichopus Trel.
* Piper atrobaccum Trel. & Yunck.
* Piper atroglandulosum Tebbs
* Piper atropremnon Trel.
* Piper attenuatamentum Trel.
* Piper attenuatum Buch.-Ham. ex Miq.
* Piper augustum Rudge
* Piper aulacospermum Callejas
* Piper auriculiferum Trel.
* Piper auriculilaminum Yunck.
* Piper aurilimbum C.DC.
* Piper auritifolium Trel.
* Piper auritum Kunth
* Piper aurorubrum C.DC.
* Piper austini Trel.
* Piper austrocaledonicum C.DC.
* Piper austromexicanum Trel.
* Piper austrosinense Y.C.Tseng
* Piper avanum Wall.
* Piper avellanum (Miq.) C.DC.
* Piper azuaiense Yunck.
* Piper azupizuanum Trel.

## B

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* Piper baccans (Miq.) C.DC.
* Piper baccatum Blume
* Piper baculiferum Trel.
* Piper baezanum Sodiro ex C.DC.
* Piper baezense Trel.
* Piper baguionum C.DC.
* Piper bahianum Yunck.
* Piper bajanum Trel. & Yunck.
* Piper bakeri C.DC. ex Callejas
* Piper bakerianum C.DC.
* Piper balansae C.DC.
* Piper balsapuertanum Trel.
* Piper bambusifolium Y.C.Tseng
* Piper bangii C.DC.
* Piper bangkanum C.DC.
* Piper bantamense Blume
* Piper baracoanum León
* Piper baramense C.DC.
* Piper barbatum Kunth
* Piper barberi Gamble
* Piper barbicuspe Trel.
* Piper barbinerve Trel.
* Piper barbirostre Trel.
* Piper barbispicum C.DC.
* Piper barbosanum Trel. & Yunck.
* Piper barbulantherum Trel.
* Piper barbulatum C.DC.
* Piper barcoense Yunck.
* Piper barkleyi Yunck.
* Piper barretoi Yunck.
* Piper barriosense Trel. & Standl.
* Piper bartlingianum (Miq.) C.DC.
* Piper basegibbosum Callejas
* Piper basilobatum Trel. & Yunck.
* Piper batuanum C.DC.
* Piper beccarii C.DC.
* Piper begoniicolor Trel. & Yunck.
* Piper begoniifolium Hook. & Arn.
* Piper begoniiforme Yunck.
* Piper belicense Callejas
* Piper bellidifolium Yunck.
* Piper belloi Yunck.
* Piper bellum Yunck.
* Piper belterraense Yunck.
* Piper bengalense C.DC.
* Piper bennettianum C.DC.
* Piper berembunense Chaveer. & Sudmoon
* Piper berlandieri C.DC.
* Piper bermejanum Trel. & Yunck.
* Piper bernoullii C.DC. ex Callejas
* Piper berryi Steyerm.
* Piper betle L.
* Piper betleoides C.DC.
* Piper betloides Chaveer. & Tanomtong
* Piper biauritum C.DC.
* Piper bicorne Carv.-Silva, E.F.Guim. & L.A.Pereira
* Piper bikanum O.Schwartz
* Piper bilobulatum C.DC.
* Piper bipedale C.DC.
* Piper bipunctatum C.DC.
* Piper biritak Trel. & Standl.
* Piper bisasperatum Trel.
* Piper biseriatum C.DC.
* Piper bistigmatum C.DC.
* Piper blattarum Spreng.
* Piper blepharilepidum Trel.
* Piper boehmeriifolium (Miq.) Wall. ex C.DC.
* Piper boissierianum C.DC.
* Piper boivinii C.DC.
* Piper bojonyum C.DC.
* Piper bolanicum Schltr. ex R.O.Gardner
* Piper bolivaranum Yunck.
* Piper bolivianum C.DC.
* Piper bonii C.DC.
* Piper boorsroae C.DC.
* Piper boqueronense Callejas
* Piper boquetense Yunck.
* Piper boquianum Trel. & Yunck.
* Piper borbonense (Miq.) C.DC.
* Piper borneense N.E.Br.
* Piper bosnicanum C.DC.
* Piper botrytes Vahl
* Piper bourgeaui C.DC.
* Piper bowiei Yunck.
* Piper brachipilum Yunck.
* Piper brachistopodum C.DC.
* Piper brachypetiolatum Yunck.
* Piper brachypodon (Benth.) C.DC.
* Piper brachypus Trel.
* Piper brachystylum Trel.
* Piper brachytrichum Trel.
* Piper bradei Yunck.
* Piper brassii Trel.
* Piper bredemeyeri J.Jacq.
* Piper breedlovei Callejas
* Piper brenesii C.DC.
* Piper breve C.DC.
* Piper brevesanum Yunck.
* Piper breviamentum C.DC.
* Piper brevicuspe (Miq.) Merr.
* Piper brevifolium C.DC.
* Piper brevilimbum C.DC.
* Piper brevipedicellatum Bornst.
* Piper brevipedunculatum C.DC.
* Piper brevipes C.DC.
* Piper brevispicum C.DC.
* Piper brevistigmum C.DC.
* Piper brevistrigillosum Trel.
* Piper brevistylum C.DC.
* Piper brewsteri Callejas
* Piper brisasense Yunck.
* Piper brongniartii (Miq.) C.DC.
* Piper brownsbergense Yunck.
* Piper bryogetum C.DC.
* Piper buchii Urb.
* Piper buchingeri C.DC. ex Callejas
* Piper bullatifolium Sodiro
* Piper bullatilimbum Pilg.
* Piper bullosum C.DC.
* Piper bullulatum M.A.Jaram.
* Piper bullulifolium Trel.
* Piper burenii C.DC.
* Piper burgeri Callejas
* Piper burkillii Ridl.
* Piper buruanum Miq.

## C

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* Piper cabagranum C.DC.
* Piper caballetense R.Bernal
* Piper caballo-cochanum Trel.
* Piper cabralanum C.DC.
* Piper cachimboense Yunck.
* Piper cacuminum C.DC.
* Piper cadenaense Tebbs
* Piper caducibracteum C.DC.
* Piper cajamarcanum Yunck.
* Piper cajambrense Trel. & Yunck.
* Piper caladiifolium (Miq.) C.DC.
* Piper calamistratum Trel.
* Piper calanyanum Trel. & Yunck.
* Piper calcaratum C.DC.
* Piper calcariforme Tebbs
* Piper calceolarium C.DC.
* Piper caldasianum (Miq.) Yunck.
* Piper caldense C.DC.
* Piper calderonii Trel. ex Callejas
* Piper caliendriferum Trel.
* Piper callcanense Trel.
* Piper callibracteum C.DC.
* Piper callosum Ruiz & Pav.
* Piper calocoma (Miq.) C.DC.
* Piper calophyllum C.DC.
* Piper calvarii S.M.Niño & Dorr
* Piper calvescens Trel.
* Piper calvescentinerve Trel.
* Piper calvibaccum Trel.
* Piper calvilimbum C.DC.
* Piper calvirameum C.DC.
* Piper cambessedesii (Miq.) C.DC.
* Piper cambodianum C.DC.
* Piper camiloi Yunck.
* Piper campanum Yunck.
* Piper camphoriferum C.DC.
* Piper campii Yunck.
* Piper camptostachys Urb.
* Piper canaense Standl.
* Piper canaliculum Tebbs
* Piper canastrense E.F.Guim. & Carv.-Silva
* Piper canavillosum Steyerm.
* Piper candelarianum C.DC.
* Piper candollei Sodiro
* Piper canescens J.Mathew
* Piper canovillosum Steyerm.
* Piper capacibracteum Trel.
* Piper capense L.f.
* Piper capillipes Trel. & Yunck.
* Piper capillistipes Trel.
* Piper capitarianum Yunck.
* Piper capitellatum C.DC.
* Piper captum Trel.
* Piper caquetanum Yunck.
* Piper caracolanum C.DC.
* Piper caranoense W.Trujillo-C.
* Piper cararense Trel. & Yunck.
* Piper carautensei E.F.Guim. & Carv.-Silva
* Piper carizalanum C.DC.
* Piper carlosii Trel. & Yunck.
* Piper carminis Trel.
* Piper carnibracteum C.DC.
* Piper carniconnectivum C.DC.
* Piper carnistigmum C.DC.
* Piper carpinteranum C.DC.
* Piper carpunya Ruiz & Pav.
* Piper carrapanum Trel.
* Piper carrilloanum C.DC.
* Piper cartagoanum C.DC.
* Piper casapiense (Miq.) C.DC.
* Piper casimirianum Hemsl.
* Piper cassinoides Opiz
* Piper casteloense Yunck.
* Piper castroanum Trel. & Yunck.
* Piper cataractarum Trel.
* Piper cathayanum M.G.Gilbert & N.H.Xia
* Piper cativalense Trel.
* Piper catripense Yunck.
* Piper caucaense Yunck.
* Piper caudatifolium Trel.
* Piper cavalcantei Yunck.
* Piper cavendishioides Trel. & Yunck.
* Piper cayoense Trel.
* Piper ceanothifolium Kunth
* Piper ceibense C.DC.
* Piper cejanum Trel. & Yunck.
* Piper celebicum Blume
* Piper celer Trel.
* Piper celsum Trel.
* Piper celtidiforme Opiz
* Piper cenocladum C.DC.
* Piper centroense Trel. & Yunck.
* Piper ceramicum (Miq.) C.DC.
* Piper cercidiphyllum Trel.
* Piper cernuum Vell.
* Piper cerrocampanum Callejas
* Piper cerronianum Steyerm.
* Piper certeguiense Trel. & Yunck.
* Piper chacaritaense Callejas
* Piper chagresianum Trel.
* Piper chalhuapuquianum Trel.
* Piper chamissonis (Miq.) Steud.
* Piper chanchamayanum Trel.
* Piper chanekii Trel.
* Piper changuinolanum Trel.
* Piper chantaranothaii Suwanph. & D.A.Simpson
* Piper chavicoides (Miq.) C.DC.
* Piper cheyennense Trel. & Standl.
* Piper chiadoense Yunck.
* Piper chiangdaoense Suwanph. & Chantar.
* Piper chiapasense Callejas
* Piper chimborazoense Yunck.
* Piper chimonanthifolium (Kunth) Kunth ex Steud.
* Piper chinantlense M.Martens & Galeotti
* Piper chinense Miq.
* Piper chiquihuitense Trel. & Standl.
* Piper chiriquinum C.DC.
* Piper chirripoense C.DC.
* Piper chlorostachyum C.DC.
* Piper choapamense Trel. ex Callejas
* Piper christyi C.DC.
* Piper chromatolepis Trel.
* Piper chrysoneurum Trel.
* Piper chrysostachyum C.DC.
* Piper chuarense M.A.Jaram. & Callejas
* Piper chumboense Yunck.
* Piper churruyacoanum Trel. & Yunck.
* Piper churumayu Ruiz & Pav.
* Piper cicatriculosum Trel. & Yunck.
* Piper cihuatlanense Bornst.
* Piper ciliatifolium Trel.
* Piper cilibracteum C.DC.
* Piper cililimbum Yunck.
* Piper ciliomarginatum Görts & Christenh.
* Piper cincinnatum Trel.
* Piper cinereocaule C.DC.
* Piper cinereum C.DC.
* Piper cingens C.DC.
* Piper ciniflonis Trel.
* Piper circumspectantis Trel.
* Piper cirratum Trel.
* Piper cisnerosense Trel. & Yunck.
* Piper cispontinum Trel.
* Piper claseanum Bornst.
* Piper clathratum Sodiro ex C.DC.
* Piper claudii C.DC.
* Piper claussenianum (Miq.) C.DC.
* Piper clavibracteum C.DC.
* Piper clavuligerum Trel.
* Piper clivicola Standl. & L.O.Williams
* Piper clypeatum Wall. ex Hook.f.
* Piper coactile Ridl.
* Piper coactipilum Trel.
* Piper coactoris Trel.
* Piper coariense Yunck.
* Piper cobanense Trel.
* Piper cobarianum Trel. & Yunck.
* Piper coccoloboides (Kunth) Kunth ex Steud.
* Piper cochleatum Sodiro
* Piper coclense Callejas
* Piper cocornanum Trel. & Yunck.
* Piper cocquericotense Trel.
* Piper coeloneurum Diels
* Piper coilostachyum C.DC.
* Piper colaphitolerans Trel.
* Piper colipanum C.DC.
* Piper colligatispicum Trel. & Yunck.
* Piper collinum C.DC.
* Piper colonense C.DC.
* Piper colotlipanense Bornst.
* Piper colubrinum Link
* Piper comasense Trel.
* Piper comatum Trel.
* Piper comayaguanum Trel.
* Piper come Trel. & Standl.
* Piper commutatum Steud.
* Piper compactum Trel.
* Piper concepcionis Trel.
* Piper concinnifolium Trel.
* Piper concretiflorum C.DC.
* Piper conditum Trel.
* Piper condotoense Trel. & Yunck.
* Piper conejoense Trel. & Yunck.
* Piper confertinodum (Trel. & Yunck.) M.A.Jaram. & Callejas
* Piper confusionis Trel.
* Piper confusum C.DC.
* Piper conibaccum C.DC.
* Piper conispicum Trel.
* Piper coniunctonis Callejas
* Piper conquistanum Yunck.
* Piper consanguineum (Kunth) Steud.
* Piper constanzanum (C.DC.) Urb.
* Piper contraverrugosum (Cuatrec.) R.Bernal
* Piper controversum Steud.
* Piper conversum Trel.
* Piper cooperi Yunck.
* Piper copacabanense Trel.
* Piper copeyanum (C.DC.) Trel.
* Piper coralfalgense C.DC.
* Piper corcovadense (Miq.) C.DC.
* Piper cordatilimbum Quisumb.
* Piper cordatum C.DC.
* Piper cordiforme Steyerm.
* Piper cordilimbum C.DC.
* Piper cordillerianum C.DC.
* Piper cordoncillo Trel.
* Piper cordovanum C.DC.
* Piper corei (Yunck.) R.Bernal
* Piper coriaceilimbum C.DC.
* Piper corintoananum Yunck.
* Piper cornifolium Kunth
* Piper cornilimbum C.DC.
* Piper coronanum Trel. & Standl.
* Piper coronatibracteum Trel.
* Piper corozalanum Trel.
* Piper corpulentispicum Trel. & Yunck.
* Piper corrugatum Kuntze
* Piper coruscans Kunth
* Piper corylistachyopsis Trel.
* Piper costaricense C.DC.
* Piper costatum C.DC.
* Piper costulatum C.DC.
* Piper courtallense P.K.Mukh.
* Piper cowanii (Yunck.) Yunck.
* Piper coyolesense Trel.
* Piper crassicaule Trel.
* Piper crassinervium Kunth
* Piper crassipedunculum Yunck.
* Piper crassipes Korth. ex Miq.
* Piper crassistilum Yunck.
* Piper crassum Blume
* Piper crebrinodum C.DC.
* Piper crenatifolium Trel. & Yunck.
* Piper crenulatibracteum C.DC.
* Piper crenulatum Steyerm.
* Piper cricamolense Trel.
* Piper criniovarium Yunck.
* Piper crispatum A.C.Sm.
* Piper cristalinanum Trel. & Yunck.
* Piper cristicola Trel.
* Piper cristinanum Trel. & Standl.
* Piper crocatum Ruiz & Pav.
* Piper cuasianum Standl.
* Piper cuatrecasasii (Trel. & Yunck.) R.Bernal
* Piper cubataonum C.DC.
* Piper cubeba L.f.
* Piper cubilquitzianum C.DC.
* Piper cucullatum Callejas
* Piper cufodontii Trel.
* Piper culebranum C.DC.
* Piper cumanense Kunth
* Piper cumaralense C.DC.
* Piper cumbasonum C.DC.
* Piper cumbotianum C.DC.
* Piper cuniculorum Trel. & Yunck.
* Piper cunninghamii Yunck.
* Piper cupreatum Trel.
* Piper curridabatanum Trel.
* Piper curtifolium C.DC.
* Piper curtilimbum C.DC.
* Piper curtipetiolum C.DC.
* Piper curtirachis W.C.Burger
* Piper curtisii C.DC.
* Piper curtispicum C.DC.
* Piper curtistilum C.DC.
* Piper curtistipes C.DC.
* Piper curvatipes Trel.
* Piper curvatum Ruiz & Pav.
* Piper curvinervium Callejas & Betancur
* Piper curvipilum Trel.
* Piper cuspidatum Desv.
* Piper cuspidibracteatum Yunck.
* Piper cuspidiflorum Callejas
* Piper cuspidilimbum C.DC.
* Piper cuspidispicum Trel.
* Piper cutucuense Yunck.
* Piper cuyabanum C.DC.
* Piper cuyunianum Steyerm.
* Piper cyanophyllum Trel.
* Piper cyphophyllopse Trel. & Yunck.
* Piper cyphophyllum C.DC.
* Piper cyprium Trel. & Yunck.
* Piper cyrtopodum (Miq.) C.DC.
* Piper cyrtostachys Ridl.

## D

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* Piper dactylostigmum Yunck.
* Piper daedalum Trel.
* Piper daguanum C.DC.
* Piper damiaoshanense Y.C.Tseng
* Piper daniel-gonzalezii Trel.
* Piper darienense C.DC.
* Piper dasyoura (Miq.) C.DC.
* Piper dasypodum (Miq.) C.DC.
* Piper dasypogon C.DC.
* Piper davaoense C.DC.
* Piper davidianum C.DC.
* Piper davidsoniae Yunck.
* Piper dawsonii Trel.
* Piper deamii Trel.
* Piper decipiens (Miq.) C.DC.
* Piper decrescens (Miq.) C.DC.
* Piper decumanum L.
* Piper decurrens C.DC.
* Piper decurtispicum (Trel. & Yunck.) Callejas
* Piper dedititium Trel.
* Piper deductum Trel.
* Piper deflexispicum Trel.
* Piper degeneri A.C.Sm.
* Piper delectans Trel.
* Piper delicatum C.DC.
* Piper deliciasanum Steyerm.
* Piper delirioi Sarnaglia & E.F.Guim.
* Piper deltoideocarpum Trel.
* Piper demeraranum (Miq.) C.DC.
* Piper demoratum Trel.
* Piper dempoanum C.DC.
* Piper dendroamans Trel. ex Callejas
* Piper dennisii Trel.
* Piper densiciliatum Yunck.
* Piper denudatissimum Callejas
* Piper depressibaccum Trel.
* Piper descourtilsianum C.DC.
* Piper desultorium Trel.
* Piper detonsum Trel.
* Piper diazanum Trel.
* Piper dichotomum Ruiz & Pav.
* Piper dichroostachyum Trel. & Yunck.
* Piper diffamatum Trel. & Yunck.
* Piper diffundum Yunck.
* Piper diffusum Vahl
* Piper diguaense Yunck.
* Piper dilatatum Rich.
* Piper dimetrale C.DC.
* Piper dimorphophyllum Trel.
* Piper dimorphotrichum Yunck.
* Piper dimorphum Callejas
* Piper dindingsianum C.DC.
* Piper diospyrifolium (Kunth) Kunth ex Steud.
* Piper dipterocarpinum C.DC.
* Piper diquisanum C.DC.
* Piper discriminatum Trel. & Yunck.
* Piper disparifolium Trel.
* Piper disparinervium Callejas
* Piper disparipes Trel.
* Piper disparipilum C.DC.
* Piper dissimulans Trel.
* Piper distichum Trel. & Yunck.
* Piper distigmatum Yunck.
* Piper divaricatum G.Mey.
* Piper diversipilum Trel.
* Piper divortans Trel. & Yunck.
* Piper divulgatum Trel. & Yunck.
* Piper djabia C.DC.
* Piper dodsonii Yunck.
* Piper doiphukhaense Suwanph. & Chantar.
* Piper dolichostachyum M.G.Gilbert & N.H.Xia
* Piper dolichostylum Callejas & Betancur
* Piper dolichotrichum Yunck.
* Piper domingense C.DC.
* Piper donnell-smithii C.DC.
* Piper dotanum Trel.
* Piper douglasii Callejas
* Piper dravidii Lekhak, Kambale & S.R.Yadav
* Piper dryadum C.DC.
* Piper duartei E.F.Guim. & Carv.-Silva
* Piper duckei C.DC.
* Piper dukei Yunck.
* Piper dulce Trel.
* Piper dumeticola C.DC.
* Piper dumiformans C.DC.
* Piper dumosum Rudge
* Piper dunlapii Trel.
* Piper dunstervilleorum Steyerm.
* Piper durilignum C.DC.
* Piper durilimbum C.DC.
* Piper durionoides Suwanph. & Chantar.
* Piper durvilleanum (Miq.) Trel.
* Piper dussii C.DC.

## E

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* Piper ecallosum Trel.
* Piper echeverrianum Trel.
* Piper echinocaule Yunck.
* Piper echinovarium Yunck.
* Piper ecuadorense Sodiro
* Piper edurum Trel.
* Piper edwallii Yunck.
* Piper ejuncidum Trel.
* Piper elasmophyllum Trel.
* Piper elatostema Hallier f.
* Piper elbancoanum Trel. & Yunck.
* Piper elbertii C.DC.
* Piper elcaranyanum Trel. & Yunck.
* Piper eldoradense Trel. ex Callejas
* Piper ellipticifolium Yunck.
* Piper ellipticolanceolatum (C.DC.) Trel.
* Piper ellsworthii (Trel. & Yunck.) R.Bernal
* Piper elmeri Merr.
* Piper elongatum Vahl
* Piper elparamoense Yunck.
* Piper emancipationis Trel.
* Piper emmerichianum Yunck.
* Piper emollitum Trel.
* Piper emygdioi Yunck.
* Piper enckeaespicum (Trel. & Yunck.) Callejas
* Piper endlicherianum (Miq.) Trel.
* Piper enenyasense Trel.
* Piper enganyanum Trel. & Yunck.
* Piper ensifolium Quisumb.
* Piper entradense Trel. & Yunck.
* Piper epigynium C.DC.
* Piper epilosipes Trel.
* Piper epunctatum Trel.
* Piper erectamentum C.DC.
* Piper erecticaule C.DC.
* Piper erectipilum Yunck.
* Piper erectum C.DC.
* Piper eriocladum Sodiro
* Piper eriopodon (Miq.) C.DC.
* Piper erubescentispica Trel.
* Piper erythrostachyum C.DC.
* Piper erythroxyloides R.E.Schult. & García-Barr.
* Piper escaleranum C.DC.
* Piper escuadranum Trel.
* Piper esperancanum Yunck.
* Piper eucalyptifolium Rudge
* Piper eucalyptiphyllum C.DC.
* Piper eucalyptolimbum C.DC.
* Piper eupodum C.DC.
* Piper euryphyllum C.DC.
* Piper eustylum Diels
* Piper evasum Trel.
* Piper evingeri Yunck.
* Piper evulsipilosum Trel.
* Piper ewanii Yunck.
* Piper exactum Trel. & Standl.
* Piper exasperatum Vahl
* Piper excavatum Ruiz & Pav.
* Piper excelsum G.Forst.
* Piper excessum Trel.
* Piper exiguicaule Yunck.
* Piper exiguispicum Trel.
* Piper expolitum Trel.
* Piper externum Trel.

## F

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* Piper factum Trel.
* Piper fadyenii C.DC.
* Piper faecatum Trel.
* Piper fagifolium Trel.
* Piper falanense Trel. & Yunck.
* Piper falcifolium Trel.
* Piper falcigerum Trel.
* Piper falcispicum Yunck.
* Piper falconeri C.DC.
* Piper falculispicum Trel. & Yunck.
* Piper fallax Vahl
* Piper fallenii A.H.Gentry
* Piper fallens Trel.
* Piper fanshawei Yunck.
* Piper faroense Yunck.
* Piper fastiditum Trel. & Yunck.
* Piper faviculiferum Trel.
* Piper ferreyrae Yunck.
* Piper ferriei C.DC.
* Piper figlinum Trel.
* Piper filipedunculum C.DC.
* Piper filipes C.DC.
* Piper filiramosum Callejas
* Piper filistilum C.DC.
* Piper fimbrirachium Callejas
* Piper fimbriulatum C.DC.
* Piper firmifolium Trel.
* Piper firmolimbum C.DC.
* Piper fischerianum C.DC.
* Piper flagellicuspe Trel. & Yunck.
* Piper flavescens (C.DC.) Trel.
* Piper flavibaccum C.DC.
* Piper flavicans C.DC.
* Piper flavidum C.DC.
* Piper flavifructum Trel.
* Piper flaviramum C.DC.
* Piper flavispicum C.DC.
* Piper flavoviride C.DC.
* Piper flexuosum Rudge
* Piper fonteboanum Yunck.
* Piper foreroi A.H.Gentry
* Piper formici-tolerans Trel.
* Piper formosum (Miq.) C.DC.
* Piper forstenii C.DC.
* Piper fortalezanum Trel.
* Piper fortunaense Tebbs
* Piper fortunyoanum Trel.
* Piper fragile Benth.
* Piper fragiliforme C.DC.
* Piper fragrans Trel.
* Piper fraguanum Trel.
* Piper francovilleanum C.DC.
* Piper fresnoense Trel. & Yunck.
* Piper friedrichsthalii C.DC.
* Piper frioense Standl. & Steyerm.
* Piper froesii Yunck.
* Piper frostii Trel. ex Callejas
* Piper frustratum (Miq.) Boerl.
* Piper fuertesii C.DC.
* Piper fulgentifolium Yunck.
* Piper fulgidum Yunck.
* Piper fuligineum (Kunth) Steud.
* Piper fuliginosum Sodiro
* Piper fulvescenticaule Trel.
* Piper funckii C.DC.
* Piper fundacionense Steyerm.
* Piper fungiforme Spokes
* Piper fusagasuganum Trel. & Yunck.
* Piper fuscescentispicum C.DC.
* Piper fuscinervium Quisumb.
* Piper fuscispicum Trel.
* Piper fuscobracteatum Trel.
* Piper futuri Trel. & Yunck.

## G

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* Piper galeatum (Miq.) C.DC.
* Piper galicianum Steyerm.
* Piper gallatlyi C.DC.
* Piper gamboanum (C.DC.) C.DC.
* Piper garagaranum C.DC.
* Piper gatunense Trel.
* Piper gaudichaudianum (Kunth) Kunth ex Steud.
* Piper gaumeri Trel.
* Piper generalense Trel.
* Piper geniculatum Sw.
* Piper gentlei Trel.
* Piper gentryi Steyerm.
* Piper genuflexum Trel.
* Piper georginum Trel. & Standl.
* Piper gerardoi Callejas
* Piper gerritii Callejas
* Piper gibbiflorum C.DC.
* Piper gibbilimbum C.DC.
* Piper gibbosum C.DC.
* Piper gigas Trel.
* Piper gilvescens Trel.
* Piper gilvibaccum Trel.
* Piper giordanoi E.F.Guim. & D.Monteiro
* Piper glaberrimum C.DC.
* Piper glabratum (Kunth) Steud.
* Piper glabrescens (Miq.) C.DC.
* Piper glabribaccum Trel.
* Piper glabribracteum Yunck.
* Piper glabrifolium C.DC.
* Piper glabrius Trel.
* Piper glanduligerum C.DC.
* Piper glandulosissimum Yunck.
* Piper globulantherum C.DC.
* Piper globulistigmum C.DC.
* Piper goeldii C.DC.
* Piper goesii Yunck.
* Piper golfitoense Callejas
* Piper gonagricum Trel.
* Piper gonocarpum Trel.
* Piper gorgonillense Trel. & Yunck.
* Piper gracile Ruiz & Pav.
* Piper gracilipes C.DC.
* Piper graciliramosum Yunck.
* Piper gracillimum Trel.
* Piper graeffei Warb.
* Piper grande Vahl
* Piper grandilimbum C.DC.
* Piper grandispicum C.DC.
* Piper grantii Yunck.
* Piper granulatum Trel.
* Piper granuligerum Trel.
* Piper gratum Trel.
* Piper graveolens C.DC.
* Piper grayumii Callejas
* Piper griffithii C.DC.
* Piper griseocaule Trel.
* Piper griseolimbum Trel. & Yunck.
* Piper griseopubens Trel.
* Piper griseum C.DC.
* Piper guacimonum (C.DC.) Trel.
* Piper guahamense C.DC.
* Piper gualeanum Sodiro ex C.DC.
* Piper guanacostense C.DC.
* Piper guanahacabibense Borhidi
* Piper guapense Yunck.
* Piper guatemalense Callejas
* Piper guatopoense Yunck.
* Piper guazacapanense Trel. & Standl.
* Piper guedesii C.DC.
* Piper guianense (Klotzsch) C.DC.
* Piper guineense Schumach. & Thonn.
* Piper gurupanum Yunck.
* Piper gutierrezii Yunck.
* Piper gymnocladum C.DC.
* Piper gymnophyllum C.DC.

## H

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* Piper hainanense Hemsl.
* Piper halconense C.DC.
* Piper halesiifolium (Kunth) Kunth ex Steud.
* Piper hamiltonii C.DC.
* Piper hammelii Callejas
* Piper hancei Maxim.
* Piper harlingii Yunck.
* Piper harmandii C.DC.
* Piper hartii C.DC.
* Piper hartwegianum (Benth.) C.DC.
* Piper hassleri C.DC.
* Piper hatschbachii Yunck.
* Piper haughtii Trel. & Yunck.
* Piper havilandii C.DC.
* Piper hayneanum C.DC.
* Piper hebetifolium W.C.Burger
* Piper hederaceum (Miq.) C.DC.
* Piper heimii C.DC.
* Piper hemmendorffii C.DC.
* Piper heptandrum (Miq.) C.DC.
* Piper hermannii Trel. & Yunck.
* Piper hermes Trel. & Standl.
* Piper hermosanum Yunck.
* Piper herrerae Trel.
* Piper heterobracteum Steyerm.
* Piper heterocarpum Trel.
* Piper heterophyllum Ruiz & Pav.
* Piper heterotrichum C.DC.
* Piper heydei C.DC.
* Piper hians Trel.
* Piper hieronymi C.DC.
* Piper hillianum C.DC.
* Piper hippocrepiforme Steyerm.
* Piper hirtellipetiolum C.DC.
* Piper hirtilimbum Trel. & Yunck.
* Piper hirtovarium C.DC.
* Piper hispidiramum C.DC.
* Piper hispidiseptum Trel.
* Piper hispidum Sw.
* Piper hochiense Y.C.Tseng
* Piper hodgei Yunck.
* Piper hoehnei Yunck.
* Piper hoffmannseggianum Schult.
* Piper holdridgeanum W.C.Burger
* Piper holguinianum Trel.
* Piper hollrungii K.Schum. & Lauterb.
* Piper holstii Callejas
* Piper holtii Trel. & Yunck.
* Piper holtonii C.DC.
* Piper hondonadense Trel. & Yunck.
* Piper hongkongense C.DC.
* Piper hooglandii (I.Hutton & P.S.Green) M.A.Jaram.
* Piper hookeri Miq.
* Piper hookerianum (Miq.) C.DC.
* Piper hosei C.DC.
* Piper hosokawae Fosberg
* Piper hostmannianum (Miq.) C.DC.
* Piper huacachianum Trel.
* Piper huacapistanum Trel.
* Piper huallaganum Trel.
* Piper huantanum Trel.
* Piper huigranum Trel. & Yunck.
* Piper huilanum C.DC.
* Piper humaytanum Yunck.
* Piper humillimum C.DC.
* Piper humistratum Görts & K.U.Kramer
* Piper humoense Trel.
* Piper humorigaudens Trel.
* Piper hydrolapathum C.DC.
* Piper hylebates C.DC.
* Piper hylophilum C.DC.
* Piper hymenophyllum Miq.
* Piper hymenopodum Sodiro
* Piper hypoglaucum Miq.
* Piper hypoleucum Sodiro

## I

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* Piper ilheusense Yunck.
* Piper illautum Trel.
* Piper imberbe Trel. & Standl.
* Piper immite Trel.
* Piper immutatum Trel.
* Piper imparipes Trel.
* Piper imperiale (Miq.) C.DC.
* Piper imperspicuibracteum Trel.
* Piper impube Trel.
* Piper inaequale C.DC.
* Piper inauspicatum Trel.
* Piper inclemens Trel. & Yunck.
* Piper incomptum Trel.
* Piper indecorum (Kunth) Kunth ex Steud.
* Piper indianonum Trel.
* Piper indiciflexum Trel.
* Piper indicum C.DC.
* Piper indignum Trel.
* Piper infossibaccatum A.Huang
* Piper infossum Y.C.Tseng
* Piper infraluteum Trel.
* Piper inhorrescens Trel.
* Piper injucundum Trel.
* Piper insectifugum C.DC. ex Seem.
* Piper insignilaminum Trel. & Yunck.
* Piper insignilimbum C.DC.
* Piper insipiens Trel. & Yunck.
* Piper insolens Trel.
* Piper instabilipes Trel.
* Piper insulicola Trel.
* Piper interitum Trel.
* Piper internibaccum C.DC.
* Piper internovarium C.DC.
* Piper interruptum Opiz
* Piper intonsum Trel.
* Piper intramarginatum Callejas
* Piper iquitosense Trel.
* Piper irazuanum C.DC.
* Piper irrasum Trel.
* Piper itatiaianum C.DC.
* Piper itayanum Trel.
* Piper ivonense Yunck.
* Piper ixocubvainense Standl. & Steyerm.
* Piper ixtlanense Callejas

## J

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* Piper jaboncillanum Trel. & Yunck.
* Piper jacaleapaense Callejas
* Piper jacquemontianum (Kunth) Kunth ex Steud.
* Piper jactatum Trel. & Standl.
* Piper jalapense M.Martens & Galeotti
* Piper jaliscanum S.Watson
* Piper japurense (Miq.) C.DC.
* Piper japvonum C.DC.
* Piper jauaense Steyerm.
* Piper javariense Yunck.
* Piper javitense Kunth
* Piper jenkinsii C.DC.
* Piper jericoense Trel. & Yunck.
* Piper jianfenglingense C.Y.Hao & Y.H.Tan
* Piper josephii R.Bernal
* Piper jubatum Trel.
* Piper jubimarginatum Yunck.
* Piper julianii Callejas
* Piper juliflorum Nees & Mart.
* Piper jumayense Trel. & Standl.

## K

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* Piper kadsura (Choisy) Ohwi
* Piper kandavuense A.C.Sm.
* Piper kanehiranum Trel.
* Piper kantetulense Trel.
* Piper kapruanum C.DC.
* Piper karpuragandhum J.Mathew & Yohannan
* Piper karwinskianum (Kunth) Kunth ex Steud.
* Piper kawakamii Hayata
* Piper kelleyi Tepe
* Piper kerberi C.DC.
* Piper keyanum C.DC.
* Piper khaoyaiense Suwanph. & D.A.Simpson
* Piper khasianum C.DC.
* Piper killipii Trel.
* Piper kimpitirikianum Trel.
* Piper kleinii Yunck.
* Piper klossii Ridl.
* Piper klotzschianum (Kunth) C.DC.
* Piper klugianum Trel.
* Piper klugii Yunck.
* Piper kongkandanum Suwanph. & Chantar.
* Piper konkintoense Trel.
* Piper koordersii C.DC.
* Piper kotanum C.DC.
* Piper kreangense C.DC.
* Piper krintjingense C.DC.
* Piper krukoffii Yunck.
* Piper kuhlmannii Yunck.
* Piper kunstleri C.DC.
* Piper kunthii (Miq.) C.DC.
* Piper kurgianum P.K.Mukh.
* Piper kurzii Ridl.
* Piper kwashoense Hayata

## L

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* Piper labillardierei C.DC.
* Piper lacandonense Callejas
* Piper laceratibracteum Trel.
* Piper lacunosum Kunth
* Piper ladoradense Trel. & Yunck.
* Piper ladrillense Trel.
* Piper laedans Trel.
* Piper laetispicum C.DC.
* Piper laeve Vahl
* Piper laevibracteum Trel.
* Piper laevicarpum Yunck.
* Piper laevigatum Kunth
* Piper lagenibaccum Trel.
* Piper lagoaense C.DC.
* Piper laguna-cochanum Trel. & Yunck.
* Piper lagunaense Trel. & Yunck.
* Piper lainatakanum C.DC.
* Piper lamasense Trel.
* Piper lanatibracteum Trel.
* Piper lanatum Roxb.
* Piper lanceifolium Kunth
* Piper lanceolatum Ruiz & Pav.
* Piper lancetillanum Trel.
* Piper lanciferum Standl. & Steyerm.
* Piper lancilimbum Yunck.
* Piper landakanum C.DC.
* Piper langlassei C.DC.
* Piper lanosibracteum Trel.
* Piper lanosicaule Trel.
* Piper lanyuense K.N.Kung & Kun C.Chang
* Piper laosanum C.DC.
* Piper lapathifolium (Kunth) Steud.
* Piper larutanum C.DC.
* Piper lateoblongum S.Moore
* Piper lateovatum Trel.
* Piper laterifissum Trel.
* Piper lateripilosum Yunck.
* Piper latibracteum C.DC.
* Piper latifolium L.f.
* Piper laurifolium Mill.
* Piper laurinum Roem. & Schult.
* Piper lauterbachii C.DC.
* Piper lawrancei Trel. & Yunck.
* Piper laxivenum C.DC.
* Piper lechlerianum C.DC.
* Piper ledermannii C.DC.
* Piper lehmannianum C.DC.
* Piper lemaense Yunck.
* Piper lempirense Callejas
* Piper lenticellosum C.DC.
* Piper lepidotum D.Parodi
* Piper leptocladum C.DC.
* Piper leptoneuron C.DC.
* Piper leptostilum C.DC.
* Piper lepturum (Kunth) Kunth ex Steud.
* Piper lessertianum (Miq.) C.DC.
* Piper leticianum C.DC.
* Piper leucophaeocaule Trel.
* Piper leucophaeum Trel.
* Piper leucophlebium Trel.
* Piper leucophyllum (Miq.) C.DC.
* Piper leucostachyum Trel. & Yunck.
* Piper levilimbum Trel.
* Piper lhotzkyanum (Kunth) Kunth ex Steud.
* Piper liebmannii C.DC.
* Piper limae Yunck.
* Piper limosum Yunck.
* Piper lincolnense Trel.
* Piper lindbergii C.DC.
* Piper lindenianum C.DC.
* Piper lindenii (Miq.) C.DC.
* Piper linearifolium C.DC.
* Piper lineativillosum Trel. & Yunck.
* Piper lineatum Ruiz & Pav.
* Piper lineolatifolium Trel. & Yunck.
* Piper lingshuiense Y.C.Tseng
* Piper linguliforme Steyerm.
* Piper lippoldii Saralegui
* Piper littlei Yunck.
* Piper littorale C.DC.
* Piper llatanum Trel.
* Piper loefgrenii Yunck.
* Piper lonchites Schult.
* Piper longamentum C.DC.
* Piper longeacuminatum Trel.
* Piper longepetiolatum (C.DC.) Trel.
* Piper longestamineum Trel.
* Piper longestylosum C.DC.
* Piper longiappendiculatum Steyerm.
* Piper longiauriculatum Yunck.
* Piper longicaudatum Trel. & Yunck.
* Piper longicaule C.DC.
* Piper longichaetum Yunck.
* Piper longifilamentum C.DC.
* Piper longifolium Ruiz & Pav.
* Piper longimucronatum Yunck.
* Piper longipedicellatum Quisumb.
* Piper longipedunculatum C.DC.
* Piper longipes C.DC.
* Piper longipilosum C.DC.
* Piper longipilum C.DC.
* Piper longispicum C.DC.
* Piper longistigmum C.DC.
* Piper longistipulum C.DC.
* Piper longivaginans C.DC.
* Piper longum L.
* Piper loretoanum Trel.
* Piper losoense Trel. & Yunck.
* Piper lucigaudens C.DC.
* Piper lundellianum Trel.
* Piper lundellii Trel.
* Piper lundii C.DC.
* Piper lunulibracteatum C.DC.
* Piper lutescens C.DC.
* Piper luxii C.DC.

## M

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* Piper macapaense Yunck.
* Piper macbrideanum Trel.
* Piper macedoi Yunck.
* Piper macerispicum Trel. & Yunck.
* Piper machadoanum C.DC.
* Piper machoense Callejas
* Piper machucanum Trel.
* Piper machupicchuense Trel.
* Piper macrocarpum C.DC.
* Piper macropiper Pennant
* Piper macropodum C.DC.
* Piper macropunctatum Yunck.
* Piper macrorhynchon (Miq.) C.DC.
* Piper macrostylum C.DC.
* Piper macrotrichum C.DC.
* Piper macrourum Kunth
* Piper maculatum Blume
* Piper madagascariense (Miq.) C.DC.
* Piper madeiranum Yunck.
* Piper magen B.Q.Cheng ex C.L.Long & Jun Yang bis
* Piper magnantherum C.DC.
* Piper magnificum Gentil ex Trel.
* Piper magnifolium (C.DC.) Trel.
* Piper magnilimbum C.DC.
* Piper magnispicum C.DC.
* Piper maingayi Hook.f.
* Piper majense Callejas
* Piper majusculum Blume
* Piper makruense C.DC.
* Piper malacocarpum K.Schum. & Lauterb.
* Piper malacophyllum (C.Presl) C.DC.
* Piper malgassicum Papini, Palchetti, M.Gori & Rota Nodari
* Piper malifolium Trel.
* Piper mamorense Yunck.
* Piper manabinum C.DC.
* Piper mananthum C.Wright
* Piper manausense Yunck.
* Piper mansericheanum Trel.
* Piper manzanillanum C.DC.
* Piper mapirense C.DC.
* Piper maraccasense Trel.
* Piper maranyonense Trel.
* Piper marequitense C.DC.
* Piper margaretae Trel.
* Piper margaritatum Trel.
* Piper marginatum Jacq.
* Piper marginecontinuum Callejas
* Piper marsupiiferum Trel.
* Piper martensianum C.DC.
* Piper martinense Trel.
* Piper marturetense Trel. & Yunck.
* Piper massiei C.DC.
* Piper mastersianum C.DC.
* Piper matanganum C.DC.
* Piper matinanum C.DC.
* Piper matthewsii C.DC.
* Piper matudae Lundell
* Piper maxonii C.DC.
* Piper maxwellianum C.DC.
* Piper mayanum Lundell
* Piper mazamariense Yunck.
* Piper mcphersonii Callejas
* Piper mcvaughii Bornst.
* Piper medinaense Yunck.
* Piper medinillifolium Quisumb.
* Piper mediocre C.DC.
* Piper meeboldii C.DC.
* Piper megacarpum J.Mathew
* Piper melanocaulon Quisumb.
* Piper melanocladum C.DC.
* Piper melanopremnum Trel. & Ekman
* Piper melanostachyum C.DC.
* Piper melanostictum (Miq.) C.DC.
* Piper melastomoides Schltdl. & Cham.
* Piper melchior (Sykes) M.A.Jaram.
* Piper mellibracteum Trel.
* Piper membranaceum C.DC.
* Piper mendezense Yunck.
* Piper mercedense Trel.
* Piper mercens Yunck.
* Piper meritum Trel.
* Piper merrillii C.DC.
* Piper mestonii F.M.Bailey
* Piper metallicum Hallier f.
* Piper metanum Trel. & Yunck.
* Piper methysticum G.Forst.
* Piper mexiae Trel. & Yunck.
* Piper mexicanum (Miq.) C.DC.
* Piper michelianum C.DC.
* Piper micoense Trel.
* Piper micranthera C.DC.
* Piper microstigma (Miq.) C.DC.
* Piper microtrichum C.DC.
* Piper middlesexense Trel. ex Callejas
* Piper miersinum (Miq.) C.DC.
* Piper miguel-conejoanum Trel. & Yunck.
* Piper mikanianum (Kunth) Steud.
* Piper mikaniifolium Trel.
* Piper mikii M.Hiroe
* Piper milciadesii Trel. & Yunck.
* Piper millegranum Yunck.
* Piper millepunctulatum Trel. & Yunck.
* Piper minasarum Steyerm.
* Piper minutantherum C.DC.
* Piper minuteauriculatum Callejas
* Piper minutescabiosum Trel.
* Piper minutiflorum Callejas
* Piper minutistigmum C.DC.
* Piper miquelianum C.DC.
* Piper mischocarpum Y.C.Tseng
* Piper mishuyacuense Trel.
* Piper mite Ruiz & Pav.
* Piper mitifolium Trel.
* Piper mituense Trel. & Yunck.
* Piper mocco-mocco Trel.
* Piper mocoanum Trel. & Yunck.
* Piper moense C.DC.
* Piper mohomoho C.DC.
* Piper mollicomum Kunth ex Steud.
* Piper mollipilosum C.DC.
* Piper mollissimum Blume
* Piper molliusculum Sodiro
* Piper monagasense Yunck.
* Piper monostigmum C.DC.
* Piper montanum C.DC.
* Piper montealegreanum Yunck.
* Piper monteluctans Trel.
* Piper monteverdeanum C.DC.
* Piper monteverdense Callejas
* Piper montium C.DC.
* Piper montivagum Ridl.
* Piper monurum Trel. & Yunck.
* Piper monzonense C.DC.
* Piper moreletii C.DC.
* Piper morelianum Yunck.
* Piper morianum Trel.
* Piper morilloi Steyerm.
* Piper morisonianum C.DC.
* Piper mornicola C.DC.
* Piper mosaicum Steyerm.
* Piper moscopanense Yunck.
* Piper mosenii (Trel.) C.DC.
* Piper mourae Yunck.
* Piper moyobambanum Trel.
* Piper mucronatum C.DC.
* Piper mucronulatum Blume
* Piper muelleri C.DC.
* Piper multiforme Trel. & Yunck.
* Piper multimammosum Trel.
* Piper multinodum C.DC.
* Piper multiplinervium C.DC.
* Piper multistigmum C.DC.
* Piper multitudinis Trel.
* Piper muluense O.Schwartz
* Piper munchanum C.DC.
* Piper mundum Trel.
* Piper muneyporense C.DC.
* Piper munyanum Trel.
* Piper muricatum Blume
* Piper murrayanum C.DC.
* Piper musteum Trel.
* Piper mutabile C.DC.
* Piper mutisii Trel. & Yunck.
* Piper myrmecophilum C.DC.

## N

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* Piper nagaense C.DC.
* Piper nagelii C.DC.
* Piper nanayanum Trel.
* Piper napo-pastazanum Trel. & Yunck.
* Piper narinoense Yunck.
* Piper nasutum Trel.
* Piper neblinanum Yunck.
* Piper nebuligaudens Yunck.
* Piper neesianum C.DC.
* Piper neglectum Trel.
* Piper negritosense Trel.
* Piper negroense C.DC.
* Piper nematanthera C.DC.
* Piper nervulosum C.DC.
* Piper neurostachyum C.DC.
* Piper nicaraguense Callejas
* Piper nicoyanum C.DC.
* Piper nigribaccum C.DC.
* Piper nigricaule Trel.
* Piper nigriconnectivum C.DC.
* Piper nigrispicum C.DC.
* Piper nigropunctatum C.DC.
* Piper nigroramum C.DC.
* Piper nigrovirens C.DC.
* Piper nigrum L.
* Piper niteroiense Yunck.
* Piper nitidifolium C.DC.
* Piper nitidulifolium Trel.
* Piper nobile C.DC.
* Piper nodosum C.DC.
* Piper non-retrorsum Trel.
* Piper noveninervium C.DC.
* Piper novogalicianum Bornst.
* Piper novogranatense C.DC.
* Piper nubigenum (Kunth) Kunth ex Steud.
* Piper nudibaccatum Y.C.Tseng
* Piper nudifolium C.DC.
* Piper nudilimbum C.DC.
* Piper nudipedunculum C.DC.
* Piper nudiramum C.DC.
* Piper nudispicuum C.DC.
* Piper nudum C.DC.
* Piper numinica Callejas
* Piper nuncupatum Trel.

## O

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* Piper oaxacanum C.DC.
* Piper obaldianum C.DC.
* Piper obatense O.Schwartz
* Piper obesispicum S.Moore
* Piper obiter-sericeum Trel.
* Piper oblanceolatum Trel.
* Piper oblancifolium Yunck.
* Piper obliqueovatum Trel.
* Piper obliquum Ruiz & Pav.
* Piper oblongatifolium Trel.
* Piper oblongatilimbum Trel.
* Piper oblongatum Opiz
* Piper oblongifructum Callejas
* Piper oblongum Kunth
* Piper obovantherum C.DC.
* Piper obovatifolium Trel.
* Piper obrutum Trel. & Yunck.
* Piper obscurifolium Callejas
* Piper obsessum Trel.
* Piper obtusilimbum C.DC.
* Piper obtusissimum Miq.
* Piper obtusistigmum C.DC.
* Piper obtusum C.DC.
* Piper obumbratifolium Trel.
* Piper obumbratum (Miq.) C.DC.
* Piper occultum Trel.
* Piper ocosingosense Callejas
* Piper oculatispicum Trel.
* Piper odoratum C.DC.
* Piper offensum Trel.
* Piper okamotoi M.Hiroe
* Piper oldhamii C.DC.
* Piper ollantaitambanum Trel.
* Piper omega Trel.
* Piper onus Trel.
* Piper opacibracteum Trel.
* Piper operosum Trel.
* Piper opizianum Fürnr.
* Piper oradendron Trel. & Standl.
* Piper oreophilum Ridl.
* Piper orizabanum C.DC.
* Piper ornatispicum Trel.
* Piper ornatum N.E.Br.
* Piper ornithorhynchum Trel.
* Piper oroense Yunck.
* Piper orosianum Trel.
* Piper orthostachyum (Kunth) Kunth ex Steud.
* Piper ospinense Trel. & Yunck.
* Piper ostii Trel.
* Piper otophorum C.DC.
* Piper otto-huberi Steyerm.
* Piper ottoniifolium C.DC.
* Piper ottonoides Yunck.
* Piper ovantherum C.DC.
* Piper ovatibaccum C.DC.
* Piper ovatilimbum C.DC.
* Piper ovatistigmum C.DC.
* Piper ovatum Vahl
* Piper oviedoi Urb.
* Piper oxycarpum C.DC.
* Piper oxyphyllum C.DC.
* Piper oxystachyum C.DC.

## P

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* Piper pacacanum Trel.
* Piper pachoanum C.DC.
* Piper pachyarthrum K.Schum.
* Piper pachyphloium C.DC.
* Piper pachyphyllum Baker
* Piper padangense C.DC.
* Piper paganicum Trel.
* Piper palenquense Callejas
* Piper palestinanum Trel. & Yunck.
* Piper pallidibracteum C.DC.
* Piper pallididorsum Trel.
* Piper pallidifolium C.DC.
* Piper pallidilimbum C.DC.
* Piper pallidirubrum C.DC.
* Piper palmanum Trel.
* Piper palmasanum C.DC.
* Piper palmeri C.DC.
* Piper paludis Callejas
* Piper paludosum C.DC.
* Piper pamploanum Trel. & Yunck.
* Piper panamense C.DC.
* Piper pandoense Yunck.
* Piper pansamalanum C.DC.
* Piper pantjarense C.DC.
* Piper papillicarpum Trel.
* Piper papillicaule Trel. & Yunck.
* Piper papilliferum Steyerm.
* Piper papulaecaule Trel.
* Piper papulatum Trel.
* Piper paraense (Miq.) C.DC.
* Piper paraguassuanum C.DC.
* Piper paraisense Trel.
* Piper paralaevigatum Trel.
* Piper paramaribense C.DC.
* Piper paranum Yunck.
* Piper parapeltobryon Trel.
* Piper parcirameum C.DC.
* Piper parcum Trel. & Yunck.
* Piper parianum Yunck.
* Piper parmatum Dressler
* Piper parong Quisumb.
* Piper partiticuspe Trel.
* Piper parvantherum C.DC.
* Piper parvicordulatum Trel.
* Piper parvipedunculum C.DC.
* Piper parviramosum Callejas
* Piper pastasanum Diels
* Piper patens Opiz
* Piper patentifolium Trel.
* Piper patulum Bertol.
* Piper patzulinum Trel. & Standl.
* Piper paucartamboanum Trel.
* Piper paucinerve C.DC.
* Piper paucipilosum Yunck.
* Piper pauciramosum Yunck.
* Piper paucistigmum C.DC.
* Piper paulianifolium Trel.
* Piper pavasense Trel.
* Piper pavimentifolium Trel.
* Piper pavonii (Miq.) C.DC.
* Piper payanum Yunck.
* Piper pearcei Yunck.
* Piper pebasense Trel.
* Piper peculiare Trel. & Yunck.
* Piper pedicellare C.DC.
* Piper pedicellatum C.DC.
* Piper pedunculatum C.DC.
* Piper peepuloides Roxb.
* Piper pellitum C.DC.
* Piper peltatifolium C.Y.Hao, H.S.Wu & Y.H.Tan
* Piper peltatum L.
* Piper peltifolium Callejas
* Piper peltilimbum Yunck.
* Piper penangense (Miq.) C.DC.
* Piper pendens Trel.
* Piper pendentispicum Trel. & Yunck.
* Piper pendulirameum Trel. & Yunck.
* Piper pendulispicum C.DC.
* Piper pentagonum Trel.
* Piper pentandrum C.DC.
* Piper penyasense Trel. & Yunck.
* Piper peracuminatum C.DC.
* Piper perareolatum C.DC.
* Piper perbarbatum C.DC.
* Piper perbrevicaule Yunck.
* Piper perbrevispicum Yunck.
* Piper perciliatum Trel. & Yunck.
* Piper percostatum Yunck.
* Piper perditum Trel.
* Piper perenense Trel.
* Piper perfugii Trel.
* Piper pergamentifolium Trel. & Standl.
* Piper pergeniculatum Trel.
* Piper perhispidum C.DC.
* Piper perijaense Steyerm.
* Piper perinaequilongum Trel.
* Piper perlasense Yunck.
* Piper perlongipedunculum Trel. & Standl.
* Piper permolle Trel. & Yunck.
* Piper permucronatum Yunck.
* Piper perpallidum Ekman, Urb. & Trel.
* Piper perpilosum C.DC.
* Piper perpurgatum Trel.
* Piper perpusillum Callejas
* Piper perscabrifolium Yunck.
* Piper perstipulare Steyerm.
* Piper perstrigosum Yunck.
* Piper persubulatum C.DC.
* Piper pertinax Trel. & Yunck.
* Piper pertomentellum Trel. & Yunck.
* Piper pertractatum Trel.
* Piper peruligerum Trel.
* Piper pervelutinum Trel.
* Piper pervenosum C.DC.
* Piper perverrucosum Trel. & Yunck.
* Piper pervicax Trel.
* Piper pervillosum Trel.
* Piper pervulgatum Trel.
* Piper pervulsum Trel. & Yunck.
* Piper petens Trel.
* Piper petiolare C.DC.
* Piper pexum Trel.
* Piper phaeophyllum Trel. & Standl.
* Piper phalangense C.DC.
* Piper phanerolepidum Trel.
* Piper phaneropus Trel.
* Piper philippinum Miq.
* Piper philodendon Ridl.
* Piper philodendroides Standl. & Steyerm.
* Piper phuwuaense Chaveer. & Tanee
* Piper phyllostictum (Miq.) C.DC.
* Piper phytolaccifolium Opiz
* Piper picardae C.DC.
* Piper picobonitoense F.G.Coe & Bornst.
* Piper piedadesense Trel.
* Piper piedecuestanum Trel. & Yunck.
* Piper pileatum Trel.
* Piper pilgeri C.DC.
* Piper pilibracteum Trel. & Yunck.
* Piper piliovarium Yunck.
* Piper pilirameum C.DC.
* Piper pilosissimum Yunck.
* Piper pilosiusculum Opiz
* Piper pilovarium Yunck.
* Piper piluliferifolium Trel. & Yunck.
* Piper piluliferum Kunth
* Piper pinaresanum Trel. & Yunck.
* Piper pinedoana Trel.
* Piper pinetorum Standl. & Steyerm.
* Piper pingbienense Y.C.Tseng
* Piper pinguifolium C.DC.
* Piper pinoganense Trel.
* Piper pinuna-negroense Trel. & Yunck.
* Piper piojoanum Trel. & Yunck.
* Piper piresii Yunck.
* Piper piscatorum Trel. & Yunck.
* Piper pitalitoense Yunck.
* Piper pittieri C.DC.
* Piper plagiophyllum K.Schum. & Lauterb.
* Piper planadosense Trel. & Standl.
* Piper planipes Trel.
* Piper planitiei Trel. & Yunck.
* Piper platylobum Sodiro
* Piper playa-blancanum Trel.
* Piper plumanum C.DC.
* Piper plumbeicolor Trel.
* Piper plurinervosum Yunck.
* Piper poasanum C.DC.
* Piper poeppigii (Kunth) Steud.
* Piper pogonioneuron Trel. & Standl.
* Piper poiteanum Steud.
* Piper politaereum Trel.
* Piper politifolium C.DC.
* Piper politii Yunck.
* Piper politum C.DC.
* Piper polyneurum C.DC.
* Piper polysyphonum C.DC.
* Piper polytrichum C.DC.
* Piper ponapense C.DC.
* Piper ponendum Trel.
* Piper ponesheense C.DC.
* Piper ponganum Trel.
* Piper pontis Trel.
* Piper popayanense C.DC.
* Piper poporense Trel. & Yunck.
* Piper populifolium Opiz
* Piper porphyrophyllum (Lindl.) N.E.Br.
* Piper porrectum C.DC.
* Piper portobellense C.DC.
* Piper porveniricola Trel.
* Piper poscitum Trel. & Yunck.
* Piper positum Trel.
* Piper postelsianum Maxim.
* Piper posusanum Trel.
* Piper potamophilum Trel. & Yunck.
* Piper pothoides (Miq.) Wall. ex C.DC.
* Piper pothophyllum Trel.
* Piper praeacutilimbum C.DC.
* Piper praemollitum Trel.
* Piper praesagium Trel. & Yunck.
* Piper premnospicum Tebbs
* Piper prianamense C.DC.
* Piper prietoi Yunck.
* Piper prismaticum C.DC.
* Piper procerifolium C.DC.
* Piper procerum Trel.
* Piper prodigum Trel.
* Piper protracticuspidatum Trel. & Yunck.
* Piper protractispicum C.DC.
* Piper protractum C.DC.
* Piper provulgatum Trel. & Yunck.
* Piper prunifolium J.Jacq.
* Piper pseudamboinense C.DC.
* Piper pseudoacreanum Steyerm.
* Piper pseudoaduncum C.DC.
* Piper pseudoaequale Steyerm.
* Piper pseudoalbuginiferum Trel.
* Piper pseudoarboreum Yunck.
* Piper pseudoasperifolium C.DC.
* Piper pseudobarbatum C.DC.
* Piper pseudobredemeyeri Steyerm.
* Piper pseudobumbratum C.DC.
* Piper pseudocallosum Trel.
* Piper pseudocativalense Trel.
* Piper pseudodelectans Callejas
* Piper pseudodilatatum C.DC.
* Piper pseudodivulgatum Steyerm.
* Piper pseudoeucalyptifolium Trel. & Yunck.
* Piper pseudofallens Callejas
* Piper pseudofimbriulatum Trel.
* Piper pseudoflexuosum Trel.
* Piper pseudofuligineum C.DC.
* Piper pseudogaragaranum Trel.
* Piper pseudoglabrifolium Trel.
* Piper pseudogrande Yunck.
* Piper pseudohastulatum Steyerm.
* Piper pseudolanceifolium Trel.
* Piper pseudolindenii C.DC.
* Piper pseudomatico Trel.
* Piper pseudomunchanum Trel.
* Piper pseudonigrum C.DC.
* Piper pseudopedicellatum P.K.Mukh.
* Piper pseudoperbrevicaule Callejas
* Piper pseudoperfugii Callejas
* Piper pseudoperuvianum C.DC.
* Piper pseudopopayanense Trel. & Yunck.
* Piper pseudopothifolium C.DC.
* Piper pseudoschippianum Callejas
* Piper pseudovariabile Trel.
* Piper pseudoviridicaule Trel.
* Piper pseudovulgatum Steyerm.
* Piper psilophyllum C.DC.
* Piper psilorhachis C.DC.
* Piper psilostachyum Kunth
* Piper psittacorum Endl.
* Piper pterocladum C.DC.
* Piper pubarulipes C.DC.
* Piper pubens Trel.
* Piper puberulescens Trel.
* Piper puberuliciliatum Yunck.
* Piper puberulidrupum Yunck.
* Piper puberulilimbum C.DC.
* Piper puberulinerva C.DC.
* Piper puberulirameum C.DC.
* Piper puberulispicum C.DC.
* Piper puberulum (Benth.) Seem.
* Piper pubibaccum C.DC.
* Piper pubicatulum C.DC.
* Piper pubinerve C.DC.
* Piper pubinervulum C.DC.
* Piper pubiovarium Yunck.
* Piper pubipedunculum C.DC.
* Piper pubipes C.DC.
* Piper pubipetiolum C.DC.
* Piper pubirhache C.DC.
* Piper pubistipulum C.DC.
* Piper pubisubmarginalum Yunck.
* Piper pubivaginatum Steyerm.
* Piper puente-altoanum Trel.
* Piper pulchrum C.DC.
* Piper pulleanum Yunck.
* Piper pullibaccum Trel.
* Piper pullibracteatum Trel.
* Piper puncticulatum Ridl.
* Piper punctiunculatum Trel.
* Piper punctulantherum C.DC.
* Piper punctulatum Standl. & Steyerm.
* Piper puniceum Trel.
* Piper puntarenasense Callejas
* Piper puraceanum Trel. & Yunck.
* Piper purdiei C.DC.
* Piper purpusianum Trel.
* Piper purulentum Trel. & Yunck.
* Piper purusanum Yunck.
* Piper pustulatum Yunck.
* Piper pustulicaule Trel.
* Piper putumayoense Trel. & Yunck.
* Piper puyoense Yunck.
* Piper pygmaeum Yunck.
* Piper pykarahense C.DC.

## Q

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* M
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* U
* V
* W
* X
* Y
* Z
* Piper quadratilimbum Trel.
* Piper quadratiovarium Yunck.
* Piper quicheanum Callejas
* Piper quimirianum Trel.
* Piper quinqueangulatum Miq.
* Piper quinquenervium Warb.
* Piper quitense C.DC.

## R

* Top
* A
* B
* C
* D
* E
* F
* G
* H
* I
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* K
* L
* M
* N
* O
* P
* Q
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* U
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* W
* X
* Y
* Z
* Piper raapii C.DC.
* Piper rafflesii (Miq.) C.DC.
* Piper raizudoanum Trel. & Yunck.
* Piper ramirezii Callejas
* Piper ramosense Yunck.
* Piper ramosii C.DC.
* Piper rarispicum C.DC.
* Piper rarum C.DC.
* Piper rasile Trel.
* Piper recensitum Trel.
* Piper recessum R.O.Gardner
* Piper rechingeri C.DC.
* Piper recreoense Trel.
* Piper rectamentum Trel.
* Piper recuperatum Trel.
* Piper redactum Trel.
* Piper reductipes Trel.
* Piper regale C.DC.
* Piper regnellii (Miq.) C.DC.
* Piper reinwardtianum (Miq.) C.DC.
* Piper reitzii Yunck.
* Piper relaxatum Trel.
* Piper relictum Lekhak, Kambale & S.R.Yadav
* Piper rematense Trel.
* Piper remotinervium Görts
* Piper renitens (Miq.) Yunck.
* Piper reptabundum C.DC.
* Piper resalutatum Trel.
* Piper restio Trel.
* Piper restrictum Trel.
* Piper retalhuleuense Trel. & Standl.
* Piper reticulatum L.
* Piper reticulosum Opiz
* Piper retrofractum Vahl
* Piper retropilosum C.DC.
* Piper reventazonis Trel.
* Piper rhinostachyum Trel.
* Piper rhizocaule Trel.
* Piper rhodocarpum Trel.
* Piper rhododendrifolium (Kunth) Kunth ex Steud.
* Piper ribesioides Wall.
* Piper richardiifolium (Kunth) Kunth ex Steud.
* Piper ridleyi C.DC.
* Piper rigidomucronatum Callejas
* Piper riitosense Trel. & Yunck.
* Piper rinconense Trel.
* Piper rindjanense C.DC.
* Piper rindu C.DC.
* Piper riocajambrense Trel. & Yunck.
* Piper riocauchosanum Yunck.
* Piper riochiadoense Trel. & Yunck.
* Piper riodocense E.F.Guim. & Carv.-Silva
* Piper rioense Yunck.
* Piper riojanum Trel.
* Piper riomarguanum Trel. & Yunck.
* Piper rionechianum Yunck.
* Piper riozulianum Trel. & Yunck.
* Piper riparense C.DC.
* Piper ripicola C.DC.
* Piper rivi-vetusti Trel.
* Piper rivinoides (Kunth) Kunth ex Steud.
* Piper roblalense Yunck.
* Piper robleanum Trel. & Yunck.
* Piper robustipedunculum Yunck.
* Piper roemeri C.DC.
* Piper rogaguanum Trel.
* Piper ronaldii Steyerm.
* Piper roqueanum Trel.
* Piper rosei C.DC.
* Piper roseiflorum Callejas
* Piper roseovenulosum Trel.
* Piper rostratum Roxb.
* Piper rothschuhii C.DC.
* Piper rotundibaccum Trel.
* Piper rovirosae C.DC.
* Piper rubiginosum Trel.
* Piper rubramentum C.DC.
* Piper rubribaccum Trel.
* Piper rubripes Trel.
* Piper rubrospadix Trel.
* Piper rubrovenosum Rodigas
* Piper rubrum C.DC.
* Piper rude Kunth
* Piper rudgeanum (Miq.) C.DC.
* Piper rueckeri K.Schum.
* Piper rufescentibaccum C.DC.
* Piper rufibracteum C.DC.
* Piper rufinerve Opiz
* Piper rufipilum Yunck.
* Piper rufispicum C.DC.
* Piper rufum C.DC.
* Piper rugosibaccum Trel.
* Piper rugosifolium Trel.
* Piper rugosilimbum Trel.
* Piper rugosum Lam.
* Piper rukshagandhum J.Mathew
* Piper rumicifolium (Miq.) C.DC.
* Piper rumphii (Miq.) C.DC.
* Piper rupicola C.DC.
* Piper rupununianum Trel. & Yunck.
* Piper rusbyi C.DC.
* Piper rusticum Trel. & Yunck.

## S

* Top
* A
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* C
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* E
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* G
* H
* I
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* K
* L
* M
* N
* O
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* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z
* Piper sabaletasanum Trel. & Yunck.
* Piper sabanaense Yunck.
* Piper sacchamatesense Yunck.
* Piper sagittifer Trel.
* Piper sagittifolium C.DC.
* Piper saldanhae Yunck.
* Piper salentoi Trel. & Yunck.
* Piper salgaranum Trel. & Yunck.
* Piper salicariifolium (Kunth) Kunth ex Steud.
* Piper salicifolium Vahl
* Piper salicinum Opiz
* Piper salicoides Yunck.
* Piper saloyanum Trel. & Yunck.
* Piper samanense Urb.
* Piper sambuanum C.DC.
* Piper sampaioi Yunck.
* Piper san-andresense Trel. & Yunck.
* Piper san-juananum Trel.
* Piper san-marcosanum C.DC.
* Piper san-martinense Trel. & Yunck.
* Piper san-miguelense Trel. & Yunck.
* Piper san-nicolasense Trel.
* Piper san-ramonense Trel.
* Piper san-roqueanum Trel.
* Piper san-vicentense Trel. & Yunck.
* Piper sancti-felicis Trel.
* Piper sandemanii Yunck.
* Piper sandianum C.DC.
* Piper sangorianum C.DC.
* Piper sanjuanilloense Callejas
* Piper santa-ritanum Trel.
* Piper santa-rosanum C.DC.
* Piper santae-clarae Standl. & Steyerm.
* Piper sapitense C.DC.
* Piper sapotoanum Trel.
* Piper sapotoyacuense Trel.
* Piper sararense Trel. & Yunck.
* Piper sarasinorum C.DC.
* Piper sarawakanum C.DC.
* Piper sarculatum (Trel.) Callejas
* Piper sarmentosum Roxb.
* Piper satisfactum Trel.
* Piper savagii C.DC.
* Piper savanense C.DC.
* Piper scabiosifolium Trel.
* Piper scabrellum Yunck.
* Piper scabridulicaule Trel.
* Piper scabridulilimbum Trel. & Yunck.
* Piper scabrifolium Hook. & Arn.
* Piper scabrilimbum C.DC. ex A.Schroed.
* Piper scabriseptum Trel.
* Piper scabriusculum A.Dietr.
* Piper scalariforme Trel.
* Piper scalarispicum Trel.
* Piper scalpens Trel.
* Piper scandenticaule Yunck.
* Piper scansum Trel. & Yunck.
* Piper schenckii C.DC.
* Piper schiedeanum Steud.
* Piper schippianum Trel. & Standl.
* Piper schizonephros C.DC.
* Piper schlechtendalianum C.DC.
* Piper schlechtendalii Steud.
* Piper schlechteri C.DC.
* Piper schlimii C.DC.
* Piper schmidtii Hook.f.
* Piper schottii (Miq.) C.DC.
* Piper schumannii C.DC.
* Piper schunkeanum Trel.
* Piper schuppii A.H.Gentry
* Piper schwackei C.DC.
* Piper sciaphilum C.DC.
* Piper scintillans Trel.
* Piper scleromyelum C.DC.
* Piper sclerophloeum C.DC.
* Piper scobinifolium Yunck.
* Piper scortechinii C.DC.
* Piper scutifolium Yunck.
* Piper scutilimbum C.DC.
* Piper scutispicum Trel.
* Piper sebastianum Yunck.
* Piper secundum Ruiz & Pav.
* Piper seducentifolium Trel.
* Piper selangorense C.DC.
* Piper semangkoanum C.DC.
* Piper semicordulatum Trel.
* Piper semicrudum Trel.
* Piper semiimmersum C.DC.
* Piper semimetrale C.DC.
* Piper seminervosum Trel. & Yunck.
* Piper seminitidulum Trel.
* Piper semiplenum Trel.
* Piper semitarium Trel. & Yunck.
* Piper semitransparens C.Y.Hao & Y.H.Tan
* Piper semivolubile C.DC.
* Piper semperflorens C.DC.
* Piper senporeiense Yamamoto
* Piper sepicola C.DC.
* Piper sepium C.DC.
* Piper septuplinervium (Miq.) C.DC.
* Piper sericeonervosum Trel.
* Piper serotinum Trel.
* Piper serpavillanum Trel.
* Piper serrulatum Yunck.
* Piper setebarraense E.F.Guim. & L.H.P.Costa
* Piper setigerum Trel.
* Piper setosum Trel. & Yunck.
* Piper setulosum Trel.
* Piper sibulanum C.DC.
* Piper sibunense Trel.
* Piper sierra-aroense Steyerm.
* Piper signatum Trel.
* Piper siguatepequense Trel.
* Piper silentvalleyense Ravindran, M.K.Nair & Asokan Nair
* Piper silvaense Yunck.
* Piper silvanorum Trel.
* Piper silvarum C.DC.
* Piper silvicola C.DC.
* Piper silvigaudens Yunck.
* Piper silvimontanum C.DC.
* Piper silvivagum C.DC.
* Piper simile Quisumb.
* Piper simulans Trel.
* Piper simularoideum Callejas
* Piper simulhabitans Trel.
* Piper sintenense Hatus.
* Piper sinuatifolium Trel.
* Piper sinuatispicum Trel.
* Piper sinuclausum Trel.
* Piper sinugaudens C.DC.
* Piper siquirresense Trel.
* Piper sirenasense Callejas
* Piper sivarajanii Karthik. & V.S.Kumar
* Piper skutchii Trel. & Yunck.
* Piper smitinandianum Suwanph. & Chantar.
* Piper sneidernii Yunck.
* Piper snethlagei Yunck.
* Piper sociorum Trel. & Yunck.
* Piper sodiroi C.DC.
* Piper sogerense S.Moore
* Piper sogerianum C.DC.
* Piper soledadense Trel.
* Piper solmsianum C.DC.
* Piper solutidrupum Yunck.
* Piper sonadense C.DC.
* Piper sonsonatense Standl. & S.Calderon
* Piper sororium (Miq.) C.DC.
* Piper sorsogonum C.DC.
* Piper sotae Yunck.
* Piper sotobosquense S.M.Niño & Dorr
* Piper spathelliferum Quisumb.
* Piper speratum Trel.
* Piper sperdinum C.DC.
* Piper sphaerocarpum (Griseb.) C.DC. ex C.Wright
* Piper sphaeroides C.DC.
* Piper spicilongum Trel.
* Piper spinacifolium Callejas
* Piper sprengelianum C.DC.
* Piper spruceanum C.DC.
* Piper squalipelliculum Trel.
* Piper squamuliferum C.DC.
* Piper squamulosum C.DC.
* Piper staminodiferum C.DC.
* Piper standleyi Trel.
* Piper statarium Trel. & Yunck.
* Piper steinbachii Yunck.
* Piper stellipilum (Miq.) C.DC.
* Piper stenocarpum C.DC.
* Piper stenocladophorum Trel.
* Piper stenocladum C.DC.
* Piper stenopodum C.DC.
* Piper stenostachys C.DC.
* Piper sternii Yunck.
* Piper stevensii Trel.
* Piper steyermarkii Yunck.
* Piper stileferum Yunck.
* Piper stillans Trel. & Standl.
* Piper stipitiforme C.C.Chang ex Y.C.Tseng
* Piper stipulaceum Opiz
* Piper stipulare A.C.Sm.
* Piper stipulosum Sodiro
* Piper stomachicum C.DC.
* Piper storkii Trel.
* Piper striaticaule Yunck.
* Piper striatifolium Yunck.
* Piper striatipetiolum Yunck.
* Piper strictifolium D.Monteiro & E.F.Guim.
* Piper strigillosicaule Trel.
* Piper strigillosum Trel.
* Piper strigosum Trel.
* Piper stuebelii Trel.
* Piper subaduncum Yunck.
* Piper subaequilaterum Trel.
* Piper subalbicans C.DC.
* Piper subalpinum Yunck.
* Piper subampollosum Callejas
* Piper subandinum C.DC.
* Piper subasperatum Trel.
* Piper subaspericaule C.DC.
* Piper subasperifolium Yunck.
* Piper subbullatum K.Schum. & Lauterb.
* Piper subcaniramum C.DC.
* Piper subcaudatum Trel.
* Piper subcinereum C.DC.
* Piper subconcinnum C.DC.
* Piper subcordatum (Miq.) C.DC.
* Piper subcordulatum Trel.
* Piper subcrenulatum C.DC.
* Piper subdilatatum Trel.
* Piper subdivaricatum Trel.
* Piper subduidaense Yunck.
* Piper subeburneum Trel. & Standl.
* Piper subepunctatum C.DC.
* Piper suberythrocarpum C.DC.
* Piper subexiguicaule Callejas
* Piper subfalcatum Yunck.
* Piper subflavicans Trel.
* Piper subflavispicum C.DC.
* Piper subflavum C.DC.
* Piper subfragile C.DC.
* Piper subfrutescens Trel. & Yunck.
* Piper subfuscum C.DC.
* Piper subgibbosum Callejas
* Piper subglabribracteatum C.DC.
* Piper subglabrifolium C.DC.
* Piper subglabrilimbum (Yunck.) Callejas
* Piper subglabrum C.DC.
* Piper subhirsutum Trel.
* Piper sublaevifolium Trel.
* Piper sublepidotum Yunck.
* Piper sublignosum Yunck.
* Piper sublineatum Kuntze
* Piper submolle Trel.
* Piper submultinerve C.DC.
* Piper subnitidifolium Yunck.
* Piper subnitidum C.DC.
* Piper subnudibracteum C.DC.
* Piper subnudispicum Trel.
* Piper subpatens Trel.
* Piper subpedale Trel. & Yunck.
* Piper subpenninerve Ridl.
* Piper subprostratum C.DC.
* Piper subpubibracteum C.DC.
* Piper subquadratum Trel.
* Piper subquinquenerve Trel.
* Piper subrepens Trel.
* Piper subrubrispicum C.DC.
* Piper subrugosum Yunck.
* Piper subscutatum C.DC.
* Piper subseptemnervium (Miq.) C.DC.
* Piper subsericeum Trel.
* Piper subsessilifolium C.DC.
* Piper subsessililimbum C.DC.
* Piper subsilvestre C.DC.
* Piper subsilvulanum C.DC.
* Piper substenocarpum C.DC.
* Piper substilosum Yunck.
* Piper subtomentosum Trel. & Yunck.
* Piper subtrinerve Trel.
* Piper subulatum C.DC.
* Piper subvariabile Trel.
* Piper subzhorquinense C.DC. ex Trel.
* Piper sucreense Trel. & Yunck.
* Piper suffrutescens C.DC.
* Piper suffruticosum Trel.
* Piper sugandhi Ravindran, K.N.Babu & V.G.Naik
* Piper suipigua Buch.-Ham. ex D.Don
* Piper sulcatum Blume
* Piper sulcinervosum Trel.
* Piper sumpi Trel.
* Piper sundaicum Blume
* Piper supernum Trel. & Yunck.
* Piper suratanum Trel. & Yunck.
* Piper surubresanum Trel.
* Piper svenningii W.Trujillo-C. & Balslev
* Piper swartzianum (Miq.) C.DC.
* Piper sylvaticum Roxb.
* Piper sylvestre Lour.
* Piper syringifolium Vahl

## T

* Top
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* G
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* J
* K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z
* Piper tabanicidum Trel.
* Piper tabernillanum Trel.
* Piper tabinense Trel.
* Piper taboganum C.DC.
* Piper tacanaense Callejas
* Piper tacananum Trel. & Standl.
* Piper tacarcunense Callejas
* Piper tacariguense Steyerm.
* Piper tachiranum Yunck.
* Piper tacticanum Trel. & Standl.
* Piper taiwanense T.T.Lin & S.Y.Lu
* Piper tajumulcoanum Trel. & Standl.
* Piper talbotii C.DC.
* Piper tamayoanum Steyerm.
* Piper tapantiense Trel.
* Piper taperanum Yunck.
* Piper taperinhanum Yunck.
* Piper tapianum Trel.
* Piper tarcolense Callejas
* Piper tardans Trel.
* Piper tectoniifolium (Kunth) Kunth ex Steud.
* Piper tecumense Trel.
* Piper tecutlanum Trel. & Standl.
* Piper telanum Trel.
* Piper telembi E.García
* Piper temiscoense Trel. ex Callejas
* Piper temptum Trel.
* Piper tenebricosum Trel.
* Piper tentatum Trel.
* Piper tenue Kunth
* Piper tenuibracteum C.DC.
* Piper tenuiculispicum Trel.
* Piper tenuicuspe (Miq.) C.DC.
* Piper tenuifolium C.DC.
* Piper tenuilimbum C.DC.
* Piper tenuimucronatum C.DC.
* Piper tenuinerve C.DC.
* Piper tenuipes C.DC.
* Piper tenuispicum C.DC.
* Piper tepicanum C.DC.
* Piper tepuiense Steyerm.
* Piper tequendanense C.DC.
* Piper terrabanum C.DC.
* Piper terryae Standl.
* Piper tesserispicum Trel.
* Piper tessmannii Trel.
* Piper teysmannii (Miq.) C.DC.
* Piper theobromifolium O.Schwartz
* Piper thermale Vahl
* Piper thomsonii (C.DC.) Hook.f.
* Piper thorelii C.DC.
* Piper tiguanum C.DC.
* Piper tilaranum Trel.
* Piper timbiquinum C.DC.
* Piper timbuchianum Trel.
* Piper timothianum A.C.Sm.
* Piper tinctum Trel.
* Piper tjambae C.DC.
* Piper tocacheanum C.DC.
* Piper tomas-albertoi Trel. & Yunck.
* Piper tomentosum Mill.
* Piper tomohonum C.DC.
* Piper tonduzii C.DC.
* Piper toppingii C.DC.
* Piper toronotepuiense Steyerm.
* Piper torresanum Trel.
* Piper torricellense Lauterb.
* Piper tortivenulosum Yunck.
* Piper tortuosipilum Trel.
* Piper tortuosivenosum Trel.
* Piper tovarense Trel. & Yunck.
* Piper townsendii C.DC.
* Piper trachydermum Trel.
* Piper trachyphyllum C.DC.
* Piper translucens Yunck.
* Piper transpontinum Trel.
* Piper travancorianum P.K.Mukh.
* Piper trianae C.DC.
* Piper triangulare Chew ex P.Royen
* Piper trichocarpon C.DC.
* Piper trichogynum C.DC.
* Piper trichoneuron (Miq.) C.DC.
* Piper trichophlebium Trel.
* Piper trichophyllum C.DC.
* Piper trichopus Trel.
* Piper trichorhachis C.DC.
* Piper trichostachyon (Miq.) C.DC.
* Piper trichostylopse Trel.
* Piper trichostylum C.DC.
* Piper tricolor Y.C.Tseng
* Piper tricuspe (Miq.) C.DC.
* Piper tridentipilum C.DC.
* Piper trigoniastrifolium C.DC.
* Piper trigonocarpum Trel.
* Piper trigonodrupum Yunck.
* Piper trigonum C.DC.
* Piper trinervium (Miq.) C.DC.
* Piper trineuron Miq.
* Piper triquetrofructum Trel.
* Piper tristemon C.DC.
* Piper tristigmum Trel.
* Piper truman-yunckeri Callejas
* Piper truncatibaccum C.DC.
* Piper truncatum Vell.
* Piper tsakianum C.DC.
* Piper tsangyuanense P.S.Chen & P.C.Zhu
* Piper tsarasotrae Papini, Palchetti, M.Gori & Rota Nodari
* Piper tsengianum M.G.Gilbert & N.H.Xia
* Piper tsuritkubense Trel.
* Piper tuberculatum Jacq.
* Piper tucumanum C.DC.
* Piper tuerckheimii C.DC.
* Piper tuisanum C.DC.
* Piper tumidinodum Yunck.
* Piper tumidipedunculum Trel.
* Piper tumidonodosum P.K.Mukh.
* Piper tumidum Kunth
* Piper tumupasense Yunck.
* Piper tungurahuae Sodiro
* Piper tuquesanum Callejas
* Piper turbense Trel.
* Piper turrialvanum C.DC.
* Piper tutuilae C.DC.
* Piper tuxtepecense Trel. ex Callejas
* Piper tuxtlense Callejas

## U

* Top
* A
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* C
* D
* E
* F
* G
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* Piper uaupesense Yunck.
* Piper ubiqueasperum Trel.
* Piper ubiquescabridum Trel.
* Piper ucayalianum Trel.
* Piper udicola C.DC.
* Piper udimontanum C.DC.
* Piper uhdei C.DC.
* Piper ulceratum Trel.
* Piper uleanum Trel.
* Piper ulei C.DC.
* Piper ulvifolium K.Schum. & Lauterb.
* Piper umbellatum L.
* Piper umbricola C.DC.
* Piper umbriculum (Cuatrec.) M.A.Jaram. & Callejas
* Piper umbriense Trel. & Yunck.
* Piper umbrosum Kunth
* Piper uncinulatum Ridl.
* Piper ungaramense C.DC.
* Piper unguiculatum Ruiz & Pav.
* Piper unguiculiferum Trel.
* Piper unillanum Trel. & Yunck.
* Piper upalaense Callejas
* Piper urdanetanum C.DC.
* Piper urense Callejas
* Piper urophyllum C.DC.
* Piper urostachyum Hemsl.
* Piper urubambanum Trel.
* Piper uspantanense C.DC.
* Piper usumacintense Lundell
* Piper utinganum Yunck.
* Piper uvitanum C.DC.

## V

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* Piper vaccinum Standl. & Steyerm.
* Piper vaginans C.DC.
* Piper valdivianum Callejas
* Piper valetudinarii Trel.
* Piper valladolidense Yunck.
* Piper vallicola C.DC.
* Piper vanderveldeanum Trel.
* Piper varablancanum Trel.
* Piper variabile C.DC.
* Piper varibracteum C.DC.
* Piper variifolium (Miq.) C.DC.
* Piper variipilum C.DC.
* Piper variitrichum Yunck.
* Piper vellosoi Yunck.
* Piper velutinervium C.DC.
* Piper velutinibaccum C.DC.
* Piper velutininervosum Trel.
* Piper velutinobracteosum Callejas
* Piper velutinovarium C.DC.
* Piper velutinum Kunth
* Piper venamoense Steyerm.
* Piper veneralense Trel. & Yunck.
* Piper venosum (Miq.) C.DC.
* Piper ventoleranum Trel.
* Piper venulosissimum Yunck.
* Piper veraguanum Callejas
* Piper veraguense C.DC.
* Piper verbascifolium (Miq.) C.DC.
* Piper verbenanum C.DC.
* Piper veredianum Trel.
* Piper vergelense Trel. & Standl.
* Piper vermiculatum C.DC.
* Piper verruculicaule Trel.
* Piper verruculifolium Trel.
* Piper verruculigerum Trel.
* Piper verruculipetiolum Trel.
* Piper verruculosum C.DC.
* Piper versteegii C.DC.
* Piper vestitifolium C.DC.
* Piper vestitum C.DC.
* Piper vexans Trel.
* Piper via-chicoense Yunck.
* Piper viae-marginis Trel.
* Piper vicinum Trel.
* Piper vicosanum Yunck.
* Piper victorianum C.DC.
* Piper villalobosense Yunck.
* Piper villarrealii Yunck.
* Piper villipedunculum C.DC.
* Piper villirameum C.DC.
* Piper villiramulum C.DC.
* Piper villistipulum Trel.
* Piper villosispicum Trel.
* Piper villosissimum Yunck.
* Piper villosum C.DC.
* Piper viminifolium Trel.
* Piper virgatum Yunck.
* Piper virgenense Trel. & Yunck.
* Piper virginicum Trel. & Standl.
* Piper virgultorum C.DC.
* Piper viridescens Suwanph. & Chantar.
* Piper viridicaule Trel.
* Piper viridifolium Trel.
* Piper viridilimbum Trel.
* Piper viridistachyum Yunck.
* Piper virillanum C.DC.
* Piper viscaianum Trel. & Yunck.
* Piper vitabile Trel.
* Piper vitaceum Yunck.
* Piper viticaule Yunck.
* Piper vitiense A.C.Sm.
* Piper voigtii C.DC.
* Piper volubile C.DC.

## W

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* Piper wabagense W.L.Chew
* Piper wachenheimii Trel.
* Piper wagneri C.DC.
* Piper walkeri Miq.
* Piper wallichii (Miq.) Hand.-Mazz.
* Piper wangii M.G.Gilbert & N.H.Xia
* Piper weddellii C.DC.
* Piper wedelii Yunck.
* Piper wibomii Yunck.
* Piper wichmannii C.DC.
* Piper wightii Miq.
* Piper wilhelmense Chew ex P.Royen
* Piper wilsonii Trel.
* Piper wingfieldii Steyerm.
* Piper winkleri C.DC.
* Piper woytkowskii Yunck.
* Piper wrightii C.DC.

## X

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* Piper xanthocarpum C.DC.
* Piper xanthoneurum Trel.
* Piper xanthostachyum C.DC.
* Piper xiroresanum C.DC.
* Piper xylosteoides (Kunth) Steud.

## Y

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* Piper yamaranguilaense Callejas
* Piper yanaconasense Trel. & Yunck.
* Piper yananoanum Trel.
* Piper yaracuyense Yunck.
* Piper yaxhanum Trel.
* Piper yessupianum Trel.
* Piper yinkiangense Y.C.Tseng
* Piper yoroanum Trel.
* Piper yousei Trel.
* Piper yucatanense C.DC.
* Piper yui M.G.Gilbert & N.H.Xia
* Piper yungasanum Yunck.
* Piper yunnanense Y.C.Tseng
* Piper yzabalanum C.DC.

## Z

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* Piper zacapanum Trel. & Standl.
* Piper zacatense C.DC.
* Piper zarceroense Trel.
* Piper zarumanum Trel.
* Piper zentanum C.DC.
* Piper zeylanicum Miq.
* Piper zhorquinense C.DC.
* Piper zollingeri C.DC.
* Piper zonulatispicum Trel.