Psychotria

Psychotria còn có tên tiếng Việt là Lấu, là một chi thực vật có hoa trong họ Thiến thảo (Rubiaceae).

Loài
Chi Lấu Psychotria gồm các loài:
 Psychotria acutiflora
 Psychotria adamsonii
 Psychotria alsophila
 Psychotria alto-macahensis
 Psychotria anceps Kunth
 Psychotria angustata
 Psychotria ankasensis J.B.Hall
 Psychotria appendiculata
 Psychotria atricaulis
 Psychotria bahiensis
 Psychotria beddomei
 Psychotria berteriana
 Psychotria bimbiensis Bridson & Cheek (Cameroon)
 Psychotria blepharophora
 Psychotria brachyanthema
 Psychotria brachyceras
 Psychotria bryonicola
 Psychotria camerunensis
 Psychotria capensis (Eckl.) Vatke
 Psychotria carronis
 Psychotria carthagenensis Jacq. – Amyruca
 Psychotria cathetoneura
 Psychotria caudata
 Psychotria chalconeura
 Psychotria chimboracensis
 Psychotria clarendonensis
 Psychotria clusioides
 Psychotria colorata
 Psychotria congesta
 Psychotria constricta
 Psychotria cookei
 Psychotria costivenia Griseb. (= P. miradorensis)
 Psychotria crassipetala
 Psychotria cuneifolia
 Psychotria cyathicalyx
 Psychotria danceri
 Psychotria daphnoides – Smooth Psychotria
 Psychotria dasyophthalma
 Psychotria densinervia
 Psychotria deverdiana
 Psychotria dolichantha
 Psychotria domatiata
 Psychotria douarrei
 Psychotria dubia
 Psychotria elachistantha
 Psychotria elata (Sw.) Hammel
 Psychotria elliptica Kerr.
 Psychotria expansa
 Psychotria foetens
 Psychotria forsteriana
 Psychotria franchetiana
 Psychotria fusiformis
 Psychotria gardneri
 Psychotria glandulifera
 Psychotria globicephala
 Psychotria graciliflora Benth. (= P. biaristata, P. oaxacana)

 Psychotria grandiflora H.Mann – Large-flowered Balsamo (Island of Kauai in Hawaii)
 Psychotria grantii Fosberg (French Polynesia)
 Psychotria greenwelliae Fosberg (Island of Kauai in Hawaii)
 Psychotria guerkeana
 Psychotria hanoverensis
 Psychotria hawaiiensis (A.Gray) Fosberg – Kōpiko ula (Hawaii)
 Psychotria hierniana
 Psychotria hobdyi Sohmer (Island of Kauai in Hawaii)
 Psychotria horizontalis
 Psychotria insularum
 Psychotria iodotricha
 Psychotria kirkii
 Psychotria lanceifolia
 Psychotria le-bronnecii
 Psychotria leiocarpa
 Psychotria lepiniana
 Psychotria ligustrifolia (Northrop) Millsp. (= P. bahamensis)
 Psychotria longipetiolata
 Psychotria loniceroides
 Psychotria luconiensis (Cham. & Schltdl.) Fern.-Vill. (= P. luzoniensis, P. malayana, P. tacpo)
 Psychotria macrocarpa
 Psychotria madida
 Psychotria mariniana (Cham. & Schltdl.) Fosberg – Kōpiko (Hawaii)
 Psychotria mauiensis Fosberg – Ōpiko (Hawaii)
 Psychotria megalopus
 Psychotria megistantha
 Psychotria micrantha Kunth (= P. rufescens Humb. & Bonpl. ex Roem. & Schult., P. tomentosa)
 Psychotria minimicalyx
 Psychotria moliwensis
 Psychotria moseskemei
 Psychotria nematopoda
 Psychotria nemerosa
 Psychotria nervosa Sw. (= P. elongata, P. granadensis, P. hirta, P. quiinifolia, P. rufescens , P. undata) (Southern Florida, Southern Mexico, Caribbean, Trung Mỹ, Northern Nam Mỹ)
 Psychotria nesophila
 Psychotria ngotphamii Bao, Tagane, Yahara & V.S.Dang
 Psychotria nitidula
 Psychotria pallens
 Psychotria papantlensis (Oerst.) Hemsl. (= P. salicifolia)
 Psychotria parvifolia Benth. ex Oerst.

 Psychotria peteri
 Psychotria petitii
 Psychotria pickeringii A.Gray
 Psychotria platypoda
 Psychotria plicata
 Psychotria plurivenia
 Psychotria podocarpa
 Psychotria poeppigiana
 Psychotria pseudoplatyphylla
 Psychotria pubigera
 Psychotria punctata Vatke (= P. bacteriophila)
 Psychotria quinqueradiata Pol. (= P. morae, P. obovata, P. oerstediana)
 Psychotria raivavaensis
 Psychotria rhonhofiae
 Psychotria rimbachii
 Psychotria rostrata
 Psychotria rubra (Lour.) Poir. (= P. elliptica auct. non Kerr.)
 Psychotria ruelliifolia
 Psychotria rufipilis
 Psychotria saloiana
 Psychotria siphonophora
 Psychotria sodiroi
 Psychotria sordida
 Psychotria speciosa
 Psychotria stachyoides
 Psychotria stenophylla
 Psychotria sulzneri (Florida)
 Psychotria suterella
 Psychotria tahitensis
 Psychotria taitensis
 Psychotria tenuifolia Sw. – shortleaf wild coffee
 Psychotria trichocalyx
 Psychotria tubuaiensis
 Psychotria ulei
 Psychotria umbellata
 Psychotria vellosiana
 Psychotria viridis (Ruiz & Pav.) Kuntze – Chakruna
 Psychotria vogeliana Benth.
 Psychotria waasii S.H.Sohmer (Sri Lanka)
 Psychotria woytkowskii
 Psychotria zombamontana

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