# Specie di Rhododendron

Elenco delle specie di Rhododendron

## A

* Rhododendron aberconwayi Cowan
* Rhododendron abhayae L.K.Rai
* Rhododendron abietifolium Sleumer
* Rhododendron acrophilum Merr. & Quisumb.
* Rhododendron acuminatum Hook.f.
* Rhododendron adamsii Rehder
* Rhododendron adenanthum M.Y.He
* Rhododendron adenobracteum X.F.Gao & Y.L.Peng
* Rhododendron adenogynum Diels
* Rhododendron adenopodum Franch.
* Rhododendron adenosum (Cowan & Davidian) Davidian
* Rhododendron adinophyllum Merr.
* Rhododendron aequabile J.J.Sm.
* Rhododendron aeruginosum Hook.f.
* Rhododendron afghanicum Aitch. & Hemsl.
* Rhododendron aganniphum Balf.f. & Kingdon-Ward
* Rhododendron × agastum Balf.f. & W.W.Sm.
* Rhododendron agathodaemonis J.J.Sm.
* Rhododendron alabamense Rehder
* Rhododendron albertsenianum Forrest ex Balf.f.
* Rhododendron albiflorum Hook.
* Rhododendron alborugosum Argent & J.Dransf.
* Rhododendron albrechtii Maxim.
* Rhododendron album Blume
* Rhododendron alternans Sleumer
* Rhododendron alticola Sleumer
* Rhododendron alutaceum Balf.f. & W.W.Sm.
* Rhododendron amagianum (Makino) Makino ex H.Hara
* Rhododendron amakusaense (K.Takada ex T.Yamaz.) T.Yamaz.
* Rhododendron amandum Cowan
* Rhododendron ambiguum Hemsl.
* Rhododendron amesiae Rehder & E.H.Wilson
* Rhododendron × amoenum (Lindl.) Planch.
* Rhododendron amundsenianum Hand.-Mazz.
* Rhododendron anagalliflorum Wernham
* Rhododendron andrineae Danet
* Rhododendron angiense J.J.Sm.
* Rhododendron angulatum J.J.Sm.
* Rhododendron annae Franch.
* Rhododendron anthopogon D.Don
* Rhododendron anthopogonoides Maxim.
* Rhododendron anthosphaerum Diels
* Rhododendron anwheiense E.H.Wilson
* Rhododendron aperantum Balf.f. & Kingdon-Ward
* Rhododendron apiense Argent
* Rhododendron apoanum Stein
* Rhododendron apradae U.Rai & Lama
* Rhododendron araiophyllum Balf.f. & W.W.Sm.
* Rhododendron arborescens (Pursh) Torr.
* Rhododendron arboreum Sm.
* Rhododendron archboldianum Sleumer
* Rhododendron ardii Hutabarat, Mambrasar & Mustaqim
* Rhododendron arenicola Sleumer
* Rhododendron arfakianum Becc.
* Rhododendron argipeplum Balf.f. & R.E.Cooper
* Rhododendron argyrophyllum Franch.
* Rhododendron arizelum Balf.f. & Forrest
* Rhododendron armitii F.M.Bailey
* Rhododendron arunachalense D.F.Chamb. & Rae
* Rhododendron asperrimum Sleumer
* Rhododendron asperulum Kingdon-Ward
* Rhododendron asperum J.J.Sm.
* Rhododendron assamicum W.Bull
* Rhododendron asterochnoum Diels
* Rhododendron atjehense Sleumer
* Rhododendron atlanticum (Ashe) Rehder
* Rhododendron atrichum Argent
* Rhododendron atropunicum H.P.Yang
* Rhododendron atropurpureum Sleumer
* Rhododendron atrovirens Franch.
* Rhododendron augustinei Hemsl.
* Rhododendron aureodorsale (W.P.Fang ex J.Q.Fu) Y.P.Ma & J.Nielsen
* Rhododendron aureum Georgi
* Rhododendron auriculatum Hemsl.
* Rhododendron aurigeranum Sleumer
* Rhododendron auritum Tagg
* Rhododendron austrinum (Small) Rehder
* Rhododendron awatosaense Minamit. & Yonek.

## B

* Rhododendron bachii H.Lév.
* Rhododendron baconii Argent, A.Lamb & Phillipps
* Rhododendron baenitzianum Lauterb.
* Rhododendron bagobonum H.F.Copel.
* Rhododendron baihuaense Y.P.Ma
* Rhododendron baileyi Balf.f.
* Rhododendron bailiense Y.P.Ma, C.Q.Zhang & D.F.Chamb.
* Rhododendron bainaense Xiang Chen & C.H.Yang
* Rhododendron bainbridgeanum Tagg & Forrest
* Rhododendron × bakeri (W.P.Lemmon & McKay) H.H.Hume
* Rhododendron balangense W.P.Fang
* Rhododendron balfourianum Diels
* Rhododendron bamaense Z.J.Zhao
* Rhododendron banghamiorum (J.J.Sm.) Sleumer
* Rhododendron barbatum Wall. ex G.Don
* Rhododendron barkamense D.F.Chamb.
* Rhododendron basilicum Balf.f. & W.W.Sm.
* Rhododendron × bathyphyllum Balf.f. & Forrest
* Rhododendron beanianum Cowan
* Rhododendron beccarii Sleumer
* Rhododendron beesianum Diels
* Rhododendron bellissimum D.F.Chamb.
* Rhododendron benhallii Craven
* Rhododendron benomense Rafidah & A.C.Elliott
* Rhododendron beyerinckianum Koord.
* Rhododendron bhutanense D.G.Long & Bowes Lyon
* Rhododendron biappendiculatum Craven
* Rhododendron bijiangense T.L.Ming
* Rhododendron bivelatum Balf.f.
* Rhododendron blackii Sleumer
* Rhododendron bloembergenii Sleumer
* Rhododendron boninense Nakai
* Rhododendron bonvalotii Franch.
* Rhododendron boothii Nutt.
* Rhododendron borneense (J.J.Sm.) Argent, A.Lamb & Phillipps
* Rhododendron brachyantherum Warb. ex P.Sarasin & Sarasin
* Rhododendron brachyanthum Franch.
* Rhododendron brachycarpum D.Don ex G.Don
* Rhododendron brachygynum H.F.Copel.
* Rhododendron brachypodarium Sleumer
* Rhododendron brachypodum W.P.Fang & P.S.Liu
* Rhododendron bracteatum Rehder & E.H.Wilson
* Rhododendron brassii Sleumer
* Rhododendron brentelii Argent
* Rhododendron brevicaudatum R.C.Fang & S.S.Chang
* Rhododendron brevinerve Chun & W.P.Fang
* Rhododendron breviperulatum Hayata
* Rhododendron brevipes Sleumer
* Rhododendron brevipetiolatum M.Y.Fang
* Rhododendron bryophilum Sleumer
* Rhododendron bullifolium Sleumer
* Rhododendron bulu Hutch.
* Rhododendron × bungonishikii Komatsu
* Rhododendron bureavii Franch.
* Rhododendron bureavioides Balf.f.
* Rhododendron × burjaticum Malyschev
* Rhododendron burmanicum Hutch.
* Rhododendron burttii P.Woods
* Rhododendron buruense J.J.Sm.
* Rhododendron buxifolium H.Low ex Hook.f.
* Rhododendron buxoides Sleumer

## C

* Rhododendron caesium Hutch.
* Rhododendron caespitosum Sleumer
* Rhododendron calendulaceum (Michx.) Torr.
* Rhododendron caliginis Kores
* Rhododendron callimorphum Balf.f. & W.W.Sm.
* Rhododendron calophytum Franch.
* Rhododendron calosanthes Sleumer
* Rhododendron calostrotum Balf.f. & Kingdon-Ward
* Rhododendron calvescens Balf.f. & Forrest
* Rhododendron camelliiflorum Hook.f.
* Rhododendron campanulatum D.Don
* Rhododendron campylocarpum Hook.f.
* Rhododendron campylogynum Franch.
* Rhododendron camtschaticum Pall.
* Rhododendron canadense (L.) Torr.
* Rhododendron × candelabrum Hook.f.
* Rhododendron canescens (Michx.) Sweet
* Rhododendron capellae Kores
* Rhododendron capitatum Maxim.
* Rhododendron carneum Hutch.
* Rhododendron carrii Sleumer
* Rhododendron carringtoniae F.Muell.
* Rhododendron carstensense Wernham
* Rhododendron catacosmum Balf.f. ex Tagg
* Rhododendron catawbiense Michx.
* Rhododendron caucasicum Pall.
* Rhododendron cavaleriei H.Lév.
* Rhododendron celebicum (Blume) DC.
* Rhododendron cephalanthum Franch.
* Rhododendron cerasinum Tagg
* Rhododendron cernuum Sleumer
* Rhododendron chamaethomsonii (Tagg) Cowan & Davidian
* Rhododendron × chamaezelum Balf.f. & Forrest
* Rhododendron chamahense Rafidah
* Rhododendron chamberlainii Craven
* Rhododendron championiae Hook.
* Rhododendron changii (W.P.Fang) W.P.Fang
* Rhododendron chaoanense T.C.Wu & P.C.Tam
* Rhododendron × charadzeae A.P.Khokhr. & Mazurenko
* Rhododendron charitopes Balf.f. & Farrer
* Rhododendron charitostreptum Balf.f. & Kingdon-Ward
* Rhododendron chevalieri Dop ex A.Chev.
* Rhododendron chihsinianum Chun & W.P.Fang
* Rhododendron chilanshanense Kurash.
* Rhododendron chiliangense S.S.Ying
* Rhododendron chionanthum Tagg & Forrest
* Rhododendron christi F.Först.
* Rhododendron christianiae Sleumer
* Rhododendron chrysocalyx H.Lév. & Vaniot
* Rhododendron chrysodoron Tagg ex Hutch.
* Rhododendron chrysolepis Hutch. & Kingdon-Ward
* Rhododendron chunienii Chun & W.P.Fang
* Rhododendron chunii W.P.Fang
* Rhododendron ciliatum Hook.f.
* Rhododendron ciliicalyx Franch.
* Rhododendron ciliilobum Sleumer
* Rhododendron ciliipes Hutch.
* Rhododendron cinchoniflorum Sleumer
* Rhododendron cinerascens Sleumer
* Rhododendron cinnabarinum Hook.f.
* Rhododendron circinnatum Cowan & Kingdon-Ward
* Rhododendron citriniflorum Balf.f. & Forrest
* Rhododendron citrinum (Hassk.) Hassk.
* Rhododendron clementinae Forrest ex W.W.Sm.
* Rhododendron cochlearifolium Xiang Chen & Jia Y.Huang
* Rhododendron cockburnii (Argent, A.Lamb & Phillipps) Craven
* Rhododendron codonanthum Balf.f. & Forrest
* Rhododendron coelicum Balf.f. & Farrer
* Rhododendron coeloneurum Diels
* Rhododendron coelorum Wernham
* Rhododendron colemanii R.F.Mill.
* Rhododendron collettianum Aitch. & Hemsl.
* Rhododendron columbianum (Piper) Harmaja
* Rhododendron comisteum Balf.f. & Forrest
* Rhododendron commonae F.Först.
* Rhododendron commutatum Sleumer
* Rhododendron comparabile Sleumer
* Rhododendron complexum Balf.f. & W.W.Sm.
* Rhododendron comptum C.H.Wright
* Rhododendron concinnoides Hutch. & Kingdon-Ward
* Rhododendron concinnum Hemsl.
* Rhododendron coriaceum Franch.
* Rhododendron × coriifolium Sleumer
* Rhododendron cornu-bovis Sleumer
* Rhododendron correoides J.J.Sm.
* Rhododendron coryanum Tagg & Forrest
* Rhododendron cowanianum Davidian
* Rhododendron coxianum Davidian
* Rhododendron crassifolium Stapf
* Rhododendron crassimedium P.C.Tam
* Rhododendron crassistylum M.Y.He
* Rhododendron crassum Franch.
* Rhododendron cravenii Danet
* Rhododendron crenulatum Hutch. ex Sleumer
* Rhododendron cretaceum P.C.Tam
* Rhododendron crinigerum Franch.
* Rhododendron cruttwellii Sleumer
* Rhododendron cuffeanum Craib ex Hutch.
* Rhododendron culminicola F.Muell.
* Rhododendron cumberlandense E.L.Braun
* Rhododendron cuneatum W.W.Sm.
* Rhododendron cuneifolium Stapf
* Rhododendron curviflorum J.J.Sm.
* Rhododendron cuspidellum Sleumer
* Rhododendron cyanocarpum (Franch.) W.W.Sm.
* Rhododendron cyrtophyllum Wernham

## D

* Rhododendron dachengense G.Z.Li
* Rhododendron dalhousieae Hook.f.
* Rhododendron danbaense L.C.Hu
* Rhododendron dasycladoides Hand.-Mazz.
* Rhododendron dasypetalum Balf.f. & Forrest
* Rhododendron datiandingense Z.J.Feng
* Rhododendron dauricum L.
* Rhododendron davidi Franch.
* Rhododendron davidsonianum Rehder & E.H.Wilson
* Rhododendron × davisianum R.I.Milne
* Rhododendron dawuense H.P.Yang
* Rhododendron dayaoshanense L.M.Gao & D.Z.Li
* Rhododendron dayiense M.Y.He
* Rhododendron decipiens Lacaita
* Rhododendron declivatum Ching & H.P.Yang
* Rhododendron decorum Franch.
* Rhododendron degronianum Carrière
* Rhododendron dekatanum Cowan
* Rhododendron delavayi Franch.
* Rhododendron delicatulum Sleumer
* Rhododendron dendricola Hutch.
* Rhododendron dendrocharis Franch.
* Rhododendron densifolium K.M.Feng
* Rhododendron denudatum H.Lév.
* Rhododendron detersile Franch.
* Rhododendron × detonsum Balf.f. & Forrest
* Rhododendron detznerianum Sleumer
* Rhododendron dianthosmum Sleumer
* Rhododendron dichroanthum Diels
* Rhododendron dielsianum Schltr.
* Rhododendron dignabile Cowan
* Rhododendron dilatatum Miq.
* Rhododendron dimitrum Balf.f. & Forrest
* Rhododendron × diphrocalyx Balf.f.
* Rhododendron discolor Franch.
* Rhododendron disterigmoides Sleumer
* Rhododendron × diversiflorum Danet
* Rhododendron diversipilosum (Nakai) Harmaja
* Rhododendron × duclouxii H.Lév.
* Rhododendron dumicola Tagg & Forrest
* Rhododendron durionifolium Becc.
* Rhododendron dutartrei Danet

## E

* Rhododendron eastmanii Kron & Creel
* Rhododendron ebianense M.Y.Fang
* Rhododendron eclecteum Balf.f. & Forrest
* Rhododendron edanoi Merr. & Quisumb.
* Rhododendron × edgarianum Rehder & E.H.Wilson
* Rhododendron edgeworthii Hook.f.
* Rhododendron eheinense M.Y.He & Z.J.Zhao
* Rhododendron elegantulum Tagg & Forrest
* Rhododendron elliottii Watt ex Brandis
* Rhododendron emarginatum Hemsl. & E.H.Wilson
* Rhododendron englerianum Koord.
* Rhododendron × enomotoi T.Yamaz.
* Rhododendron × epilosum (J.J.Sm.) Argent
* Rhododendron erastum Balf.f. & Forrest
* Rhododendron ericoides H.Low ex Hook.f.
* Rhododendron eriobotryoides Xiang Chen & Jia Y.Huang
* Rhododendron eriocarpum (Hayata) Nakai
* Rhododendron erosipetalum J.J.Sm.
* Rhododendron erosum Cowan
* Rhododendron × erythrocalyx Balf.f. & Forrest
* Rhododendron esetulosum Balf.f. & Forrest
* Rhododendron euchroum Balf.f. & Kingdon-Ward
* Rhododendron eudoxum Balf.f. & Forrest
* Rhododendron eurysiphon Tagg & Forrest
* Rhododendron evelyneae Danet
* Rhododendron exasperatum Tagg
* Rhododendron excelsum A.Chev.
* Rhododendron extrorsum J.J.Sm.
* Rhododendron exuberans (Sleumer) Argent
* Rhododendron eymae Sleumer

## F

* Rhododendron faberi Hemsl.
* Rhododendron facetum Balf.f. & Kingdon-Ward
* Rhododendron faithiae Chun
* Rhododendron falconeri Hook.f.
* Rhododendron fallacinum Sleumer
* Rhododendron fangchengense P.C.Tam
* Rhododendron farinosum H.Lév.
* Rhododendron farrerae Sweet
* Rhododendron fastigiatum Franch.
* Rhododendron faucium D.F.Chamb.
* Rhododendron feddei H.Lév.
* Rhododendron ferrugineum L.
* Rhododendron fictolacteum Balf.f.
* Rhododendron × filidactylis R.I.Milne
* Rhododendron × fittianum Balf.f.
* Rhododendron flammeum (Michx.) Sarg.
* Rhododendron flavantherum Hutch. & Kingdon-Ward
* Rhododendron flavidum Franch.
* Rhododendron flavoflorum T.L.Ming
* Rhododendron flavoviride J.J.Sm.
* Rhododendron fletcherianum Davidian
* Rhododendron fleuryi Dop ex A.Chev.
* Rhododendron floccigerum Franch.
* Rhododendron floribundum Franch.
* Rhododendron flosculum W.P.Fang & G.Z.Li
* Rhododendron flumineum W.P.Fang & M.Y.He
* Rhododendron formosanum Hemsl.
* Rhododendron formosum Wall.
* Rhododendron forrestii Balf.f. ex Diels
* Rhododendron fortunans J.J.Sm.
* Rhododendron fortunei Lindl.
* Rhododendron fragariiflorum Kingdon-Ward
* Rhododendron frey-wysslingii J.J.Sm.
* Rhododendron × fuchsii Sleumer
* Rhododendron fuchsiifolium H.Lév.
* Rhododendron fulgens Hook.f.
* Rhododendron fulvum Balf.f. & W.W.Sm.
* Rhododendron fuscipilum M.Y.He
* Rhododendron fuyuanense Z.H.Yang

## G

* Rhododendron galactinum Balf.f. ex Tagg
* Rhododendron gannanense Z.C.Feng & X.G.Sun
* Rhododendron gardenia Schltr.
* Rhododendron gaultheriifolium J.J.Sm.
* Rhododendron genestierianum Forrest
* Rhododendron × geraldii (Hutch.) Ivens
* Rhododendron gideonii Argent
* Rhododendron × gilliardii Sleumer
* Rhododendron giulianettii Lauterb.
* Rhododendron glabrifilum J.J.Sm.
* Rhododendron glabriflorum J.J.Sm.
* Rhododendron × gladwynense M.G.Henry
* Rhododendron glanduliferum Franch.
* Rhododendron glandulosum (Standl. ex Small) Millais
* Rhododendron glaucophyllum Rehder
* Rhododendron glischroides Tagg & Forrest
* Rhododendron glischrum Balf.f. & W.W.Sm.
* Rhododendron gologense C.J.Xu & Z.J.Zhao
* Rhododendron gonggashanense W.K.Hu
* Rhododendron gongshanense T.L.Ming
* Rhododendron goodenoughii Sleumer
* Rhododendron goyozanense (M.Kikuchi) Craven
* Rhododendron gracilentum F.Muell.
* Rhododendron grande Wight
* Rhododendron griersonianum Balf.f. & Forrest
* Rhododendron griffithianum Wight
* Rhododendron groenlandicum (Oeder) Kron & Judd
* Rhododendron guangnanense R.C.Fang
* Rhododendron guihainianum G.Z.Li
* Rhododendron guizhongense G.Z.Li
* Rhododendron guizhouense M.Y.Fang
* Rhododendron gumineense Craven

## H

* Rhododendron habbemae Koord.
* Rhododendron habrotrichum Balf.f. & W.W.Sm.
* Rhododendron haematodes Franch.
* Rhododendron haematophthalmum Sleumer
* Rhododendron hainanense Merr.
* Rhododendron hameliiflorum Wernham
* Rhododendron hanceanum Hemsl.
* Rhododendron hancockii Hemsl.
* Rhododendron hangzhouense W.P.Fang & M.Y.He
* Rhododendron haofui Chun & W.P.Fang
* Rhododendron hartleyi Sleumer
* Rhododendron × hasegawae S.Watan.
* Rhododendron hatamense Becc.
* Rhododendron heatherae Rushforth
* Rhododendron heizhugouense M.Y.He & L.C.Hu
* Rhododendron heliolepis Franch.
* Rhododendron hellwigii Warb.
* Rhododendron helodes Sleumer
* Rhododendron × hemigymnum (Tagg & Forrest) D.F.Chamb.
* Rhododendron hemitrichotum Balf.f. & Forrest
* Rhododendron hemsleyanum E.H.Wilson
* Rhododendron henanense W.P.Fang
* Rhododendron henryi Hance
* Rhododendron herzogii Warb.
* Rhododendron heteroclitum H.P.Yang
* Rhododendron heterolepis Danet
* Rhododendron × hidaense Makino ex H.Hara
* Rhododendron hidakanum H.Hara
* Rhododendron himantodes Sleumer
* Rhododendron hippophaeoides Balf.f. & W.W.Sm.
* Rhododendron hirsutipetiolatum R.C.Fang & A.L.Zhang
* Rhododendron hirsutum L.
* Rhododendron hirtipes Tagg
* Rhododendron hirtolepidotum J.J.Sm.
* Rhododendron hodgsonii Hook.f.
* Rhododendron hoi W.P.Fang
* Rhododendron hongkongense Hutch.
* Rhododendron hooglandii Sleumer
* Rhododendron hookeri Nutt.
* Rhododendron horlickianum Davidian
* Rhododendron huadingense B.Y.Ding & Y.Y.Fang
* Rhododendron huangpingense Xiang Chen & Jia Y.Huang
* Rhododendron huanshanense S.S.Ying
* Rhododendron huanum W.P.Fang
* Rhododendron huguangense P.C.Tam
* Rhododendron huidongense T.L.Ming
* Rhododendron hunanense Chun ex P.C.Tam
* Rhododendron hunnewellianum Rehder & E.H.Wilson
* Rhododendron × hunsteinii Argent
* Rhododendron hyacinthosmum Sleumer
* Rhododendron hylaeum Balf.f. & Farrer
* Rhododendron hyperythrum Hayata
* Rhododendron hypoglaucum Hemsl.
* Rhododendron hypoleucophyllum Makino
* Rhododendron hypoleucum (Kom.) Harmaja
* Rhododendron hyugaense (T.Yamaz.) T.Yamaz.

## I

* Rhododendron igneum Cowan
* Rhododendron impeditum Balf.f. & W.W.Sm.
* Rhododendron impositum J.J.Sm.
* Rhododendron impressopunctatum J.J.Sm.
* Rhododendron inaequale (C.B.Clarke) Hutch.
* Rhododendron incommodum Sleumer
* Rhododendron inconspicuum J.J.Sm.
* Rhododendron indicum (L.) Sweet
* Rhododendron × inopinum Balf.f. ex Tagg
* Rhododendron insculptum Kingdon-Ward
* Rhododendron insigne Hemsl. & E.H.Wilson
* Rhododendron × intermedium Tausch
* Rhododendron intranervatum Sleumer
* Rhododendron intricatum Franch.
* Rhododendron invictum Balf.f. & Farrer
* Rhododendron irroratum Franch.

## J

* Rhododendron japonicum (A.Gray) Suringar
* Rhododendron japonoheptamerum Kitam.
* Rhododendron jasminiflorum Hook.
* Rhododendron jasminoides M.Y.He
* Rhododendron javanicum (Blume) Benn.
* Rhododendron jiewhoei Argent
* Rhododendron jinboense Xiang Chen & X.Chen
* Rhododendron jinchangense Z.H.Yang
* Rhododendron jingangshanicum P.C.Tam
* Rhododendron jinpingense W.P.Fang & M.Y.He
* Rhododendron jinxiuense W.P.Fang & M.Y.He
* Rhododendron jiulongshanense Xiang Chen & Jia Y.Huang
* Rhododendron johnstoneanum (Brandis) Watt ex Hutch.
* Rhododendron joniense Ching & H.P.Yang

## K

* Rhododendron kaempferi Planch.
* Rhododendron × kamatae (Mochizuki) Craven
* Rhododendron kanehirae E.H.Wilson
* Rhododendron kansuense Millais
* Rhododendron kasoense Hutch. & Kingdon-Ward
* Rhododendron katsumatae (M.Tash. & H.Hatta) Craven
* Rhododendron kawakamii Hayata
* Rhododendron × kawir Danet
* Rhododendron × keditii Sleumer
* Rhododendron keiskei Miq.
* Rhododendron keleticum Balf.f. & Forrest
* Rhododendron kemulense J.J.Sm.
* Rhododendron kendrickii Nutt.
* Rhododendron kerowagiense Argent
* Rhododendron kesangiae D.G.Long & Rushforth
* Rhododendron keysii Nutt.
* Rhododendron kiangsiense W.P.Fang
* Rhododendron kingianum Watt
* Rhododendron × kisoanum Okuhara ex T.Shimizu
* Rhododendron kiusianum Makino
* Rhododendron kiyosumense (Makino) Makino
* Rhododendron klossii Ridl.
* Rhododendron kochii Stein
* Rhododendron kogo Danet
* Rhododendron × komatsui T.Yamaz.
* Rhododendron komiyamae Makino
* Rhododendron kongboense Kingdon-Ward ex Hutch.
* Rhododendron konori Becc.
* Rhododendron korthalsii Miq.
* Rhododendron kotschyi Simonk.
* Rhododendron × koudzumontanum Hid.Takah. & Katsuy.
* Rhododendron kroniae Craven
* Rhododendron kuomeianum Yu H.Chang, J.Nielsen & Y.P.Ma
* Rhododendron × kuratanum S.Watan.
* Rhododendron × kurohimense Arakawa
* Rhododendron kwangsiense Hu ex P.C.Tam
* Rhododendron kwangtungense Merr. & Chun
* Rhododendron kyawii Lace & W.W.Sm.
* Rhododendron kyushuense Minamit.

## L

* Rhododendron labolengense Ching & H.P.Yang
* Rhododendron lacteum Franch.
* Rhododendron laetum J.J.Sm.
* Rhododendron lagopus Nakai
* Rhododendron lagunculicarpum J.J.Sm.
* Rhododendron lambianum Argent
* Rhododendron lamii J.J.Sm.
* Rhododendron lampongum Miq.
* Rhododendron lamrialianum Argent & T.J.Barkman
* Rhododendron lanatoides D.F.Chamb.
* Rhododendron lanatum Hook.f.
* Rhododendron lanceolatum Ridl.
* Rhododendron langbianense A.Chev. ex Dop
* Rhododendron lanigerum Tagg
* Rhododendron laojunense T.L.Ming
* Rhododendron laojunshanense M.Y.Fang
* Rhododendron lapponicum (L.) Wahlenb.
* Rhododendron lasiostylum Hayata
* Rhododendron lateriflorum R.C.Fang & A.L.Zhang
* Rhododendron latoucheae Franch.
* Rhododendron laudandum Cowan
* Rhododendron leigongshanense C.H.Yang, Z.G.Xie, Y.F.Yu & Z.R.Yang
* Rhododendron leishanicum W.P.Fang & X.S.Zhang
* Rhododendron lepidostylum Balf.f. & Forrest
* Rhododendron lepidotum Wall. ex G.Don
* Rhododendron leptanthum F.Muell.
* Rhododendron leptobrachion Sleumer
* Rhododendron leptocarpum Nutt.
* Rhododendron leptomorphum Sleumer
* Rhododendron leptopeplum Balf.f. & Forrest
* Rhododendron leptothrium Balf.f. & Forrest
* Rhododendron leucaspis Tagg
* Rhododendron leucogigas Sleumer
* Rhododendron levinei Merr.
* Rhododendron leytense Merr.
* Rhododendron liangshanicum Z.J.Zhao
* Rhododendron liaoxigense S.L.Tung & Z.Lu
* Rhododendron liboense Zheng R.Chen & K.M.Lan
* Rhododendron × liewianum Argent, A.Lamb & Phillipps
* Rhododendron lilacinum Xiang Chen & X.Chen
* Rhododendron liliiflorum H.Lév.
* Rhododendron lindaueanum Koord.
* Rhododendron lindleyi T.Moore
* Rhododendron lineare Merr.
* Rhododendron linearilobum R.C.Fang & A.L.Chang
* Rhododendron linguiense G.Z.Li
* Rhododendron litchiifolium T.C.Wu & P.C.Tam
* Rhododendron loboense H.F.Copel.
* Rhododendron lochiae F.Muell.
* Rhododendron × lochmium Balf.f.
* Rhododendron loerzingii J.J.Sm.
* Rhododendron lohitense D.Bhattach.
* Rhododendron lompohense J.J.Sm.
* Rhododendron longesquamatum C.K.Schneid.
* Rhododendron longicalyx M.Y.Fang
* Rhododendron longifalcatum P.C.Tam
* Rhododendron longiflorum Lindl.
* Rhododendron longilobum L.M.Gao & D.Z.Li
* Rhododendron longipedicellatum Lei Cai & Y.P.Ma
* Rhododendron longiperulatum Hayata
* Rhododendron longipes Rehder & E.H.Wilson
* Rhododendron longistylum Rehder & E.H.Wilson
* Rhododendron loniceriflorum P.C.Tam
* Rhododendron loranthiflorum Sleumer
* Rhododendron lowii Hook.f.
* Rhododendron lowndesii Davidian
* Rhododendron luciferum (Cowan) Cowan
* Rhododendron ludlowii Cowan
* Rhododendron luhuoense H.P.Yang
* Rhododendron lukiangense Franch.
* Rhododendron lulangense L.C.Hu & Tateishi
* Rhododendron lungchiense W.P.Fang
* Rhododendron luraluense Sleumer
* Rhododendron luteiflorum (Davidian) Cullen
* Rhododendron lutescens Franch.
* Rhododendron luteum Sweet

## M

* Rhododendron macabeanum G.Watt ex Balf.f.
* Rhododendron macgregoriae F.Muell.
* Rhododendron mackenzianum Forrest
* Rhododendron macrophyllum D.Don ex G.Don
* Rhododendron macrosiphon Sleumer
* Rhododendron maculiferum Franch.
* Rhododendron maddenii Hook.f.
* Rhododendron madulidii Argent
* Rhododendron magnificum Kingdon-Ward
* Rhododendron magniflorum W.K.Hu
* Rhododendron mainlingense S.H.Huang & R.C.Fang
* Rhododendron majus (J.J.Sm.) Sleumer
* Rhododendron makinoi Tagg ex Nakai
* Rhododendron malayanum Jack
* Rhododendron malipoense M.Y.He
* Rhododendron mallotum Balf.f. & Kingdon-Ward
* Rhododendron maoerense W.P.Fang & G.Z.Li
* Rhododendron maowenense Ching & H.P.Yang
* Rhododendron mariae Hance
* Rhododendron mariesii Hemsl. & E.H.Wilson
* Rhododendron martinianum Balf.f. & Forrest
* Rhododendron maximum L.
* Rhododendron maxiongense C.Q.Zhang & D.Paterson
* Rhododendron maxwellii Gibbs
* Rhododendron mayebarae Nakai & H.Hara
* Rhododendron meagae Mambrasar & Hutabarat
* Rhododendron mechukae A.A.Mao & A.Paul
* Rhododendron meddianum Forrest
* Rhododendron medoense W.P.Fang & M.Y.He
* Rhododendron megacalyx Balf.f. & Kingdon-Ward
* Rhododendron megalanthum M.Y.Fang
* Rhododendron megeratum Balf.f. & Forrest
* Rhododendron meijeri Argent, A.Lamb & Phillipps
* Rhododendron mekongense Franch.
* Rhododendron melantherum Schltr.
* Rhododendron meliphagidum J.J.Sm.
* Rhododendron mendumiae Argent
* Rhododendron mengtszense Balf.f. & W.W.Sm.
* Rhododendron menziesii Craven
* Rhododendron meridionale P.C.Tam
* Rhododendron mianningense Z.J.Zhao
* Rhododendron micranthum Turcz.
* Rhododendron microcarpum R.L.Liu & L.M.Gao
* Rhododendron microgynum Balf.f. & Forrest
* Rhododendron micromalayanum Sleumer
* Rhododendron microphyton Franch.
* Rhododendron milleri Argent
* Rhododendron mimetes Tagg & Forrest
* Rhododendron mindanaense Merr.
* Rhododendron miniatum Cowan
* Rhododendron minimifolium Wernham
* Rhododendron minus Michx.
* Rhododendron minutiflorum Hu
* Rhododendron minyaense M.N.Philipson & Philipson
* Rhododendron mitriforme P.C.Tam
* Rhododendron miyiense W.K.Hu
* Rhododendron × mizumotoi S.Watan.
* Rhododendron mogeanum Argent
* Rhododendron molle (Blume) G.Don
* Rhododendron mollianum Koord.
* Rhododendron mollicomum Balf.f. & W.W.Sm.
* Rhododendron monanthum Balf.f. & W.W.Sm.
* Rhododendron monkoboense Argent
* Rhododendron monodii (H.J.Lam) Argent
* Rhododendron montiganum T.L.Ming
* Rhododendron montroseanum Davidian
* Rhododendron morii Hayata
* Rhododendron moulmainense Hook.
* Rhododendron moupinense Franch.
* Rhododendron mucronatum (Blume) G.Don
* Rhododendron mucronulatum Turcz.
* Rhododendron multicolor Miq.
* Rhododendron multiflorum (Maxim.) Craven
* Rhododendron multinervium Sleumer
* Rhododendron muscicola J.J.Sm.
* Rhododendron muscipulum Danet
* Rhododendron myrsinifolium Ching ex W.P.Fang & M.Y.He
* Rhododendron myrsinites Sleumer

## N

* Rhododendron naamkwanense Merr.
* Rhododendron nakaharae Hayata
* Rhododendron nakotiltum Balf.f. & Forrest
* Rhododendron nanjianense K.M.Feng & Z.H.Yang
* Rhododendron nanophyton Sleumer
* Rhododendron nanpingense P.C.Tam
* Rhododendron nantouense S.S.Ying
* Rhododendron natalicium Sleumer
* Rhododendron nayarii G.D.Pal
* Rhododendron × nebulicola Danet
* Rhododendron neobritannicum Sleumer
* Rhododendron neriiflorum Franch.
* Rhododendron neriifolium Schltr.
* Rhododendron nervulosum Sleumer
* Rhododendron ngawchangense M.N.Philipson & Philipson
* Rhododendron nhatrangense Dop
* Rhododendron nieuwenhuisii J.J.Sm.
* Rhododendron nigroglandulosum Nitz.
* Rhododendron × niko-montanum (Komatsu) Nakai
* Rhododendron nipponicum Matsum.
* Rhododendron nitidulum Rehder & E.H.Wilson
* Rhododendron nivale Hook.f.
* Rhododendron niveoflorum Argent
* Rhododendron niveum Hook.f.
* Rhododendron noriakianum T.Suzuki
* Rhododendron nortoniae Merr.
* Rhododendron nubicola Wernham
* Rhododendron nudipes Nakai
* Rhododendron nummatum J.J.Sm.
* Rhododendron nuttallii T.J.Booth ex Nutt.
* Rhododendron nyingchiense R.C.Fang & S.H.Huang
* Rhododendron nymphaeoides W.K.Hu

## O

* Rhododendron oblancifolium M.Y.Fang
* Rhododendron occidentale (Torr. & A.Gray) A.Gray
* Rhododendron ochraceum Rehder & E.H.Wilson
* Rhododendron octandrum M.Y.He
* Rhododendron oldhamii Maxim.
* Rhododendron oliganthum Sleumer
* Rhododendron oligocarpum W.P.Fang & X.S.Zhang
* Rhododendron × ootrichum (Sleumer) Argent
* Rhododendron opulentum Sleumer
* Rhododendron orbiculare Decne.
* Rhododendron orbiculatum Ridl.
* Rhododendron oreadum Wernham
* Rhododendron oreites Sleumer
* Rhododendron oreodoxa Franch.
* Rhododendron oreogenum L.C.Hu
* Rhododendron oreotrephes W.W.Sm.
* Rhododendron orthocladum Balf.f. & Forrest
* Rhododendron osuzuyamense T.Yamaz.
* Rhododendron ovatum (Lindl.) Planch. ex Maxim.
* Rhododendron oxycoccoides Sleumer

## P

* Rhododendron pachycarpon Sleumer
* Rhododendron pachyphyllum W.P.Fang
* Rhododendron pachypodum Balf.f. & W.W.Sm.
* Rhododendron pachysanthum Hayata
* Rhododendron pachystigma Sleumer
* Rhododendron pachytrichum Franch.
* Rhododendron × pallescens Hutch.
* Rhododendron papillatum Balf.f. & R.E.Cooper
* Rhododendron papuanum Becc.
* Rhododendron × paradoxum Balf.f. ex Tagg
* Rhododendron parishii C.B.Clarke
* Rhododendron parmulatum Cowan
* Rhododendron parryae Hutch.
* Rhododendron parvifolium Adams
* Rhododendron parvulum Sleumer
* Rhododendron pauciflorum King & Gamble
* Rhododendron pemakoense Kingdon-Ward
* Rhododendron pendulum Hook.f.
* Rhododendron pennivenium Balf.f. & Forrest
* Rhododendron × pennsylvanicum (B.E.Harkn.) Rehder
* Rhododendron pentandrum (Maxim.) Craven
* Rhododendron pentaphyllum Maxim.
* Rhododendron perakense King & Gamble
* Rhododendron × peregrinum Tagg
* Rhododendron periclymenoides (Michx.) Shinners
* Rhododendron perplexum Sleumer
* Rhododendron petrocharis Diels
* Rhododendron phaeochiton F.Muell.
* Rhododendron phaeochristum Sleumer
* Rhododendron phaeochrysum Balf.f. & W.W.Sm.
* Rhododendron phaeops Sleumer
* Rhododendron piercei Davidian
* Rhododendron pilostylum W.K.Hu
* Rhododendron pilosum (Michx. ex Lam.) Craven
* Rhododendron pinetorum P.C.Tam
* Rhododendron pingbianense M.Y.Fang
* Rhododendron pingianum W.P.Fang
* Rhododendron × planecostatum Sleumer
* Rhododendron × planetum Balf.f.
* Rhododendron platyphyllum (Franch. ex Diels) Balf.f. & W.W.Sm.
* Rhododendron platypodum Diels
* Rhododendron pleianthum Sleumer
* Rhododendron pleistanthum E.H.Wilson
* Rhododendron pocophorum Balf.f. ex Tagg
* Rhododendron pogonophyllum Cowan & Davidian
* Rhododendron poilanei Dop
* Rhododendron poluninii Davidian
* Rhododendron polyanthemum Sleumer
* Rhododendron polycladum Franch.
* Rhododendron polylepis Franch.
* Rhododendron polytrichum W.P.Fang
* Rhododendron pomense Cowan & Davidian
* Rhododendron ponticum L.
* Rhododendron populare Cowan
* Rhododendron poremense J.J.Sm.
* Rhododendron porphyranthes Sleumer
* Rhododendron potaninii Batalin
* Rhododendron praestans Balf.f. & W.W.Sm.
* Rhododendron praeteritum Hutch.
* Rhododendron praetervisum Sleumer
* Rhododendron praevernum Hutch.
* Rhododendron prainianum Koord.
* Rhododendron prattii Franch.
* Rhododendron preptum Balf.f. & Forrest
* Rhododendron primuliflorum Bureau & Franch.
* Rhododendron principis Bureau & Franch.
* Rhododendron prinophyllum (Small) Millais
* Rhododendron proliferum Sleumer
* Rhododendron pronum Tagg & Forrest
* Rhododendron protandrum Sleumer
* Rhododendron proteoides Balf.f. & W.W.Sm.
* Rhododendron protistum Balf.f. & Forrest
* Rhododendron pruniflorum Hutch. & Kingdon-Ward
* Rhododendron prunifolium (Small) Millais
* Rhododendron przewalskii Maxim.
* Rhododendron × psammogenes Sleumer
* Rhododendron pseudobuxifolium Sleumer
* Rhododendron pseudochrysanthum Hayata
* Rhododendron pseudociliipes Cullen
* Rhododendron pseudomaddenii A.A.Mao & Bhaumik
* Rhododendron pseudotrichanthum Sleumer
* Rhododendron psilanthum Sleumer
* Rhododendron pubescens Balf.f. & Forrest
* Rhododendron pubicostatum T.L.Ming
* Rhododendron pubigermen J.J.Sm.
* Rhododendron pudiense Xiang Chen & Jia Y.Huang
* Rhododendron pudingense X.Y.Dai, C.H.Yang & Y.P.Ma
* Rhododendron pudorinum Sleumer
* Rhododendron pudorosum Cowan
* Rhododendron pugeense L.C.Hu
* Rhododendron pulchroides Chun & W.P.Fang
* Rhododendron × pulchrum Sweet
* Rhododendron pulleanum Koord.
* Rhododendron pumilum Hook.f.
* Rhododendron punctifolium L.C.Hu
* Rhododendron purdomii Rehder & E.H.Wilson
* Rhododendron purpureiflorum J.J.Sm.
* Rhododendron pusillum J.J.Sm.
* Rhododendron × pyrrhoanthum Balf.f.
* Rhododendron pyrrhophorum Sleumer

## Q

* Rhododendron qianyangense M.Y.He
* Rhododendron qiaojiaense L.M.Gao & D.Z.Li
* Rhododendron qinghaiense Ching ex W.Y.Wang
* Rhododendron quadrasianum S.Vidal
* Rhododendron quinquefolium Bisset & S.Moore

## R

* Rhododendron racemosum Franch.
* Rhododendron radendum W.P.Fang
* Rhododendron radians J.J.Sm.
* Rhododendron ramipilosum T.L.Ming
* Rhododendron ramsdenianum Cowan
* Rhododendron rappardii Sleumer
* Rhododendron rarilepidotum J.J.Sm.
* Rhododendron rarum Schltr.
* Rhododendron rawatii I.D.Rai & B.S.Adhikari
* Rhododendron recurvoides Tagg & Kingdon-Ward
* Rhododendron redowskianum Maxim.
* Rhododendron renschianum Sleumer
* Rhododendron reticulatum D.Don ex G.Don
* Rhododendron retivenium Sleumer
* Rhododendron retrorsipilum Sleumer
* Rhododendron retusum (Blume) Benn.
* Rhododendron revolutum Sleumer
* Rhododendron rex H.Lév.
* Rhododendron reynosoi Argent
* Rhododendron rhodanthum M.Y.He
* Rhododendron rhodochroum Sleumer
* Rhododendron rhodoleucum Sleumer
* Rhododendron rhodosalpinx Sleumer
* Rhododendron rhodostomum Sleumer
* Rhododendron rhombifolium R.C.Fang
* Rhododendron rhuyuenense Chun ex P.C.Tam
* Rhododendron rigidum Franch.
* Rhododendron rimicola X.L.Tian, Y.P.Ma & J.Nielsen
* Rhododendron riparioides (Cullen) Cubey
* Rhododendron ripense Makino
* Rhododendron ripleyi Merr.
* Rhododendron ririei Hemsl. & E.H.Wilson
* Rhododendron rivulare Hand.-Mazz.
* Rhododendron robinsonii Ridl.
* Rhododendron roseatum Hutch.
* Rhododendron roseiflorum P.F.Stevens
* Rhododendron rosendahlii Sleumer
* Rhododendron rothschildii Davidian
* Rhododendron rousei Argent & Madulid
* Rhododendron roxieanum Forrest ex W.W.Sm.
* Rhododendron roxieoides D.F.Chamb.
* Rhododendron rubellum Sleumer
* Rhododendron rubiginosum Franch.
* Rhododendron rubineiflorum Craven
* Rhododendron rubrantherum Kingdon-Ward
* Rhododendron rubrobracteatum Sleumer
* Rhododendron rubropilosum Hayata
* Rhododendron rufescens Franch.
* Rhododendron rufohirtum Hand.-Mazz.
* Rhododendron rufum Batalin
* Rhododendron rugosum H.Low ex Hook.f.
* Rhododendron rupicola W.W.Sm.
* Rhododendron rupivalleculatum P.C.Tam
* Rhododendron rushforthii Argent & D.F.Chamb.
* Rhododendron russatum Balf.f. & Forrest
* Rhododendron ruttenii J.J.Sm.

## S

* Rhododendron sajanense Stepanov
* Rhododendron salicifolium Becc.
* Rhododendron saluenense Franch.
* Rhododendron sanctum Nakai
* Rhododendron sanguineum Franch.
* Rhododendron santapaui Sastry, S.K.Kataki, Peter Cox, Patricia Cox & P.Hutchison
* Rhododendron × sarcodes Argent & Madulid
* Rhododendron sargentianum Rehder & E.H.Wilson
* Rhododendron × satsumense Hatus.
* Rhododendron saxatile B.Y.Ding & Y.Y.Fang
* Rhododendron saxicola Sleumer
* Rhododendron saxifragoides J.J.Sm.
* Rhododendron sayeri Sleumer
* Rhododendron scabridibracteum Sleumer
* Rhododendron scabrifolium Franch.
* Rhododendron scabrum G.Don
* Rhododendron scarlatinum Sleumer
* Rhododendron schistocalyx Balf.f. & Forrest
* Rhododendron schizostigma Sleumer
* Rhododendron schlechteri Lauterb.
* Rhododendron schlippenbachii Maxim.
* Rhododendron × schoddei Sleumer
* Rhododendron scopulorum Hutch.
* Rhododendron scopulum (G.Z.Li) G.Z.Li
* Rhododendron scortechinii King & Gamble
* Rhododendron searleanum Sleumer
* Rhododendron searsiae Rehder & E.H.Wilson
* Rhododendron seimundii J.J.Sm.
* Rhododendron seinghkuense Kingdon-Ward
* Rhododendron × sekimori Komatsu
* Rhododendron selense Franch.
* Rhododendron semibarbatum Maxim.
* Rhododendron semnoides Tagg & Forrest
* Rhododendron seniavinii Maxim.
* Rhododendron seranicum J.J.Sm.
* Rhododendron serotinum Hutch.
* Rhododendron serpyllifolium (A.Gray) Miq.
* Rhododendron serrulatum (Small) Millais
* Rhododendron sessilifolium J.J.Sm.
* Rhododendron setiferum Balf.f. & Forrest
* Rhododendron setosum D.Don
* Rhododendron shanii W.P.Fang
* Rhododendron shaoakouense S.S.Ying
* Rhododendron × sheilae Sleumer
* Rhododendron sherriffii Cowan
* Rhododendron shimenense Q.X.Liu & C.M.Zhang
* Rhododendron shimianense W.P.Fang & P.S.Liu
* Rhododendron shingbae C.S.Purohit & Ram.Kumar
* Rhododendron shweliense Balf.f. & Forrest
* Rhododendron sichotense Pojark.
* Rhododendron sidereum Balf.f.
* Rhododendron siderophyllum Franch.
* Rhododendron sikangense W.P.Fang
* Rhododendron sikayotaizanense Masam.
* Rhododendron × silvicola (Sleumer) Argent, A.Lamb, Phillipps & Collen.
* Rhododendron simiarum Hance
* Rhododendron simsii Planch.
* Rhododendron simulans J.J.Sm. ex Sleumer
* Rhododendron sinofalconeri Balf.f.
* Rhododendron sinogrande Balf.f. & W.W.Sm.
* Rhododendron × sinosimulans D.F.Chamb.
* Rhododendron siobriense Argent
* Rhododendron smirnowii Trautv. ex Regel
* Rhododendron smokianum Ralf Bauer & Albach
* Rhododendron × sochadzeae Kharadze & Davlian.
* Rhododendron sohayakiense Y.Watan. & T.Yukawa
* Rhododendron sojolense Argent
* Rhododendron solitarium Sleumer
* Rhododendron sophistarum Craven
* Rhododendron sororium Sleumer
* Rhododendron souliei Franch.
* Rhododendron spanotrichum Balf.f. & W.W.Sm.
* Rhododendron sparsifolium W.P.Fang
* Rhododendron spathulatum Ridl.
* Rhododendron sperabile Balf.f. & Farrer
* Rhododendron sperabiloides Tagg & Forrest
* Rhododendron sphaeroblastum Balf.f. & Forrest
* Rhododendron spiciferum Franch.
* Rhododendron spilotum Balf.f. & Farrer
* Rhododendron spinuliferum Franch.
* Rhododendron spondylophyllum F.Muell.
* Rhododendron stamineum Franch.
* Rhododendron stanleyi S.James & Argent
* Rhododendron stapfianum Hemsl. ex Prain
* Rhododendron starlingii Rushforth & N.T.T.Huong
* Rhododendron stelligerum Sleumer
* Rhododendron stenopetalum (R.Hogg) Mabb.
* Rhododendron stenophyllum Hook.f. ex Stapf
* Rhododendron stevensianum Sleumer
* Rhododendron stewartianum Diels
* Rhododendron stolleanum Schltr.
* Rhododendron stresemannii J.J.Sm.
* Rhododendron strigillosum Franch.
* Rhododendron strigosum R.L.Liu
* Rhododendron suaveolens Sleumer
* Rhododendron subansiriense D.F.Chamb. & Cox
* Rhododendron subcerinum P.C.Tam
* Rhododendron subcrenulatum Sleumer
* Rhododendron subenerve P.C.Tam
* Rhododendron subestipitatum P.C.Tam
* Rhododendron subflumineum P.C.Tam
* Rhododendron subpacificum Sleumer
* Rhododendron subroseum Xiang Chen & Jia Y.Huang
* Rhododendron subsessile Rendle
* Rhododendron subulatum (Nakai) Harmaja
* Rhododendron subuliferum Sleumer
* Rhododendron subulosum J.J.Sm. ex Sleumer
* Rhododendron succothii Davidian
* Rhododendron sugaui Argent
* Rhododendron sulfureum Franch.
* Rhododendron sumatranum Merr.
* Rhododendron suoilenhense D.F.Chamb., N.T.T.Huong & Rushforth
* Rhododendron superbum Sleumer
* Rhododendron sutchuenense Franch.
* Rhododendron syringoideum Sleumer

## T

* Rhododendron taggianum Hutch.
* Rhododendron taibaiense Ching & H.P.Yang
* Rhododendron taiense Hutch.
* Rhododendron taipaoense T.C.Wu & P.C.Tam
* Rhododendron taishunense B.Y.Ding & Y.Y.Fang
* Rhododendron taiwanalpinum Ohwi
* Rhododendron × takahashianum Sugim.
* Rhododendron takeuchii Argent
* Rhododendron taliense Franch.
* Rhododendron tanastylum Balf.f. & Kingdon-Ward
* Rhododendron tapetiforme Balf.f. & Kingdon-Ward
* Rhododendron taronense Hutch.
* Rhododendron tashiroi Maxim.
* Rhododendron tatsienense Franch.
* Rhododendron × tatuoi Nakai ex H.Hara
* Rhododendron taxifolium Merr.
* Rhododendron taxoides J.J.Sm.
* Rhododendron telmateium Balf.f. & W.W.Sm.
* Rhododendron temenium Balf.f. & Forrest
* Rhododendron tenuifolium R.C.Fang & S.H.Huang
* Rhododendron tenuilaminare P.C.Tam
* Rhododendron tephropeploides R.A.Baines & D.F.Chamb.
* Rhododendron tephropeplum Balf.f. & Farrer
* Rhododendron tetramerum (Makino) Nakai
* Rhododendron thaumasianthum Sleumer
* Rhododendron thayerianum Rehder & E.H.Wilson
* Rhododendron thomsonii Hook.f.
* Rhododendron thymifolium Maxim.
* Rhododendron tianlinense P.C.Tam
* Rhododendron tianmenshanense C.L.Peng & L.H.Yan
* Rhododendron tingwuense P.C.Tam
* Rhododendron tintinnabellum Danet
* Rhododendron titapuriense A.A.Mao, K.N.E.Cox & D.F.Chamb.
* Rhododendron tjiasmantoi Mustaqim, Mambrasar & Hutabarat
* Rhododendron tolmachevii Harmaja
* Rhododendron tomentosum Harmaja
* Rhododendron torajaense Craven
* Rhododendron torquescens D.F.Chamb.
* Rhododendron tosaense Makino
* Rhododendron toxopei J.J.Sm.
* Rhododendron traillianum Forrest & W.W.Sm.
* Rhododendron trancongii Argent & Rushforth
* Rhododendron × transiens Nakai
* Rhododendron trichanthum Rehder
* Rhododendron trichocladum Franch.
* Rhododendron trichogynum L.C.Hu
* Rhododendron × trichophorum Balf.f.
* Rhododendron trichostomum Franch.
* Rhododendron triflorum Hook.f.
* Rhododendron trilectorum Cowan
* Rhododendron trinerve Franch. ex H.Boissieu
* Rhododendron triumphans Yersin & A.Chev.
* Rhododendron truncatovarium L.M.Gao & D.Z.Li
* Rhododendron truncicola Sleumer
* Rhododendron tsaii W.P.Fang
* Rhododendron tsariense Cowan
* Rhododendron tschonoskii Maxim.
* Rhododendron tsinlingense W.P.Fang ex J.Q.Fu
* Rhododendron tsoi Merr.
* Rhododendron tsurugisanense (T.Yamaz.) T.Yamaz.
* Rhododendron tsusiophyllum Sugim.
* Rhododendron tuba Sleumer
* Rhododendron tuberculiferum J.J.Sm.
* Rhododendron tubiforme (Cowan & Davidian) Davidian
* Rhododendron tuhanense Argent & T.J.Barkman
* Rhododendron tutcherae Hemsl. & E.H.Wilson

## U

* Rhododendron ultimum Wernham
* Rhododendron unciferum P.C.Tam
* Rhododendron ungeonticum A.P.Khokhr. & Mazurenko
* Rhododendron ungernii Trautv. ex Regel
* Rhododendron uniflorum Hutch. & Kingdon-Ward
* Rhododendron urophyllum W.P.Fang
* Rhododendron uvariifolium Diels
* Rhododendron uwaense H.Hara & T.Yamanaka

## V

* Rhododendron vaccinioides Hook.f.
* Rhododendron valentinianum Forrest ex Hutch.
* Rhododendron vanderbiltianum Merr.
* Rhododendron × vanhoeffenii Abrom.
* Rhododendron vaniotii H.Lév.
* Rhododendron vanvuurenii J.J.Sm.
* Rhododendron × variolosum Becc.
* Rhododendron vaseyi A.Gray
* Rhododendron veitchianum Hook.
* Rhododendron vellereum Hutch. ex Tagg
* Rhododendron venator Tagg ex L.Rothsch.
* Rhododendron vernicosum Franch.
* Rhododendron verruciferum W.K.Hu
* Rhododendron × verruculosum Rehder & E.H.Wilson
* Rhododendron versteegii J.J.Sm.
* Rhododendron verticillatum H.Low ex Lindl.
* Rhododendron vesiculiferum Tagg
* Rhododendron vialii Delavay & Franch.
* Rhododendron vidalii Rolfe
* Rhododendron villosulum J.J.Sm.
* Rhododendron vinicolor Sleumer
* Rhododendron vinkii Sleumer
* Rhododendron virgatum Hook.f.
* Rhododendron viridescens Hutch.
* Rhododendron viriosum Craven
* Rhododendron viscidifolium Davidian
* Rhododendron viscidum C.Z.Guo & Z.H.Liu
* Rhododendron viscigemmatum P.C.Tam
* Rhododendron viscistylum Nakai
* Rhododendron viscosum (L.) Torr.
* Rhododendron vitis-idaea Sleumer

## W

* Rhododendron wadanum Makino
* Rhododendron walongense Kingdon-Ward
* Rhododendron wardii W.W.Sm.
* Rhododendron wasonii Hemsl. & E.H.Wilson
* Rhododendron watsonii Hemsl. & E.H.Wilson
* Rhododendron wattii Cowan
* Rhododendron websterianum Rehder & E.H.Wilson
* Rhododendron × welleslyanum Waterer exRehder
* Rhododendron wentianum Koord.
* Rhododendron westlandii Hemsl.
* Rhododendron weyrichii Maxim.
* Rhododendron whiteheadii Rendle
* Rhododendron widjajae Argent & Mambrasar
* Rhododendron wightii Hook.f.
* Rhododendron × wilhelminae Hochr.
* Rhododendron wilkiei Argent
* Rhododendron williamsianum Rehder & E.H.Wilson
* Rhododendron williamsii Merr. ex H.F.Copel.
* Rhododendron wiltonii Hemsl. & E.H.Wilson
* Rhododendron wolongense W.K.Hu
* Rhododendron womersleyi Sleumer
* Rhododendron wongii Hemsl. & E.H.Wilson
* Rhododendron wrayi King & Gamble
* Rhododendron wrightianum Koord.
* Rhododendron wumingense W.P.Fang
* Rhododendron wuyishanicum L.K.Ling

## X

* Rhododendron × xanthanthum (Tagg & Forrest) D.F.Chamb.
* Rhododendron xanthopetalum Merr.
* Rhododendron xanthostephanum Merr.
* Rhododendron xenium Gill.K.Br. & Craven
* Rhododendron xiangganense X.F.Jin & B.Y.Ding
* Rhododendron xiaoxidongense W.K.Hu
* Rhododendron xiaoxueshanense R.L.Liao & Y.P.Ma
* Rhododendron xichangense Z.J.Zhao
* Rhododendron xiguense Ching & H.P.Yang
* Rhododendron xishuiense C.H.Yang & C.D.Yang

## Y

* Rhododendron yakuinsulare Masam.
* Rhododendron yakumontanum (T.Yamaz.) T.Yamaz.
* Rhododendron yakushimanum Nakai
* Rhododendron yakushimense (M.Tash. & H.Hatta) Craven
* Rhododendron yangmingshanense P.C.Tam
* Rhododendron yaogangxianense Q.X.Liu
* Rhododendron yaoshanense L.M.Gao & S.D.Zhang
* Rhododendron yaoshanicum W.P.Fang & M.Y.He
* Rhododendron yedoense Maxim. ex Regel
* Rhododendron yelliottii Warb.
* Rhododendron yizhangense Q.X.Liu
* Rhododendron yongii Argent
* Rhododendron yungchangense Cullen
* Rhododendron yungningense Balf.f. ex Hutch.
* Rhododendron yunnanense Franch.
* Rhododendron yunyianum X.F.Jin & B.Y.Ding
* Rhododendron yushuense Z.J.Zhao

## Z

* Rhododendron zaleucum Balf.f. & W.W.Sm.
* Rhododendron zekoense Y.D.Sun & Z.J.Zhao
* Rhododendron zhangjiajieense C.L.Peng & L.H.Yan
* Rhododendron zheguense Ching & H.P.Yang
* Rhododendron zhongdianense L.C.Hu
* Rhododendron ziyuanense P.C.Tam
* Rhododendron zoelleri Warb.
* Rhododendron zollingeri J.J.Sm.