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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