牛嬭菜屬（學名：_Marsdenia_）是夾竹桃科中的一屬。牛奶菜屬包含約 100 個物種，主要分布在亞洲、美洲和熱帶非洲。



下屬物種

本屬包括以下物種：


* _Marsdenia abyssinica_ (Hochst.) Schltr.

* _Marsdenia acuminata_ (Roxb.) I.M.Turner

* _Marsdenia acuta_ (Thunb. ex A.Murray) Tanaka

* _Marsdenia anomala_ W.D.Stevens

* _Marsdenia arabica_ (Decne.) Omlor

* _Marsdenia asclepiodea_ Rusby

* 澳洲牛奶菜 _Marsdenia australis_

* _Marsdenia bergae_ Morillo

* _Marsdenia bourgeana_ (Baill.) W.Rothe

* 短裂牛奶菜 _Marsdenia brachyloba_ M.G.Gilbert & P.T.Li

* _Marsdenia brevisquama_ Jum. & Perrier

* _Marsdenia brunoniana_ Wight & Arn.

* 緬甸牛奶菜 _Marsdenia burmanica_

* _Marsdenia calcicola_ Kerr

* _Marsdenia calesiana_ Wight

* _Marsdenia cardozoi_ Morillo

* _Marsdenia carnosa_ Lace

* 靈藥牛奶菜 _Marsdenia cavaleriei_ (H.Lév.) Hand.-Mazz. ex Rehder

* _Marsdenia celebica_ (Miq.) Boerl.

* _Marsdenia chirindensis_ Goyder, 2020

* 南美牛奶藤 _Marsdenia condurango_

* _Marsdenia cordifolia_ Choux

* _Marsdenia crinita_ Oliv.

* _Marsdenia cryptostemma_ Choux

* _Marsdenia cuneifolia_ (Tsiang & P.T.Li)

* _Marsdenia cyanescens_ Costantin

* _Marsdenia dissitiflora_ (Ridl.) P.I.Forst.

* _Marsdenia divisicloa_ P.I.Forst.

* _Marsdenia dregea_ (Harv.) Schltr.

* _Marsdenia elephantina_ Schltr.

* _Marsdenia epedunculata_ Rodda

* _Marsdenia eriocarpa_ Hook.fil.

* _Marsdenia eriocaulis_ Kerr

* _Marsdenia exellii_ C.Norman

* _Marsdenia faulknerae_ (Bullock) Omlor

* _Marsdenia flaviflora_ W.D.Stevens

* 台灣牛嬭菜 _Marsdenia formosana_ Masam.

* _Marsdenia fulva_ Schltr.

* 光牛奶菜 _Marsdenia glabra_ Costantin

* _Marsdenia glaziouvii_ (E.Fourn.) Spellman & Morillo

* 團花牛奶菜 _Marsdenia glomerata_ Tsiang

* 大白藥 _Marsdenia griffithii_ Hook.fil.

* _Marsdenia guaianensis_ Donn.Sm.

* _Marsdenia gymnemopsis_ Omlor

* 海南牛奶菜 _Marsdenia hainanensis_ Tsiang

* _Marsdenia hamiltonii_ Wight

* _Marsdenia harmandiella_ Omlor

* _Marsdenia hassleriana_ Malme

* _Marsdenia hirta_ (Ridl.) P.I.Forst.

* _Marsdenia hispidula_ W.D.Stevens

* 裂冠牛奶菜 _Marsdenia incisa_ P.T.Li & Y.H.Li

* _Marsdenia jenkinsii_ Hook.fil.

* _Marsdenia kaniensis_ Schltr.

* 大葉牛奶菜 _Marsdenia koi_ Tsiang

* 毛喉牛奶菜 _Marsdenia lachnostoma_ Benth.

* _Marsdenia latifolia_ (Benth.) K.Schum.

* _Marsdenia laurifolia_ (Decne.) Kloppenb.

* _Marsdenia leiocarpa_ King & Prain ex Prain

* _Marsdenia littoralis_ (Blume) P.I.Forst.

* 百靈草 _Marsdenia longipes_ W.T.Wang ex Tsiang & P.T.Li

* _Marsdenia lonicerioides_ E.Fourn.

* _Marsdenia lucida_ Edgew. ex Madden

* _Marsdenia macrantha_ (Klotzsch) Schltr.

* _Marsdenia magniflora_ P.T.Li

* _Marsdenia mahaweeensis_ Kloppenb.

* _Marsdenia mayottae_ W.D.Stevens, Labat & F.Barthelat

* 墨脫牛奶菜 _Marsdenia medogensis_ P.T.Li

* _Marsdenia minima_ (P.I.Forst.) Schneidt, Liede & Meve

* _Marsdenia molinarum_ L.O.Williams

* _Marsdenia mollis_ Schltr.

* _Marsdenia oblanceolata_ (Turrill) Omlor

* _Marsdenia obscura_ (Bullock) Omlor

* _Marsdenia oculata_ Schltr.

* 海楓屯 _Marsdenia officinalis_ Tsiang & P.T.Li

* _Marsdenia oligantha_ K.Schum.

* 喙柱牛奶菜 _Marsdenia oreophila_ W.W.Sm.

* _Marsdenia ovata_ E.Fourn.

* _Marsdenia papuana_ Schltr.

* _Marsdenia peraffinis_ S.F.Blake

* _Marsdenia pergulariformis_ Schltr.

* _Marsdenia philippinensis_ Schltr.

* _Marsdenia phillipsonii_ W.D.Stevens

* _Marsdenia phuwuaensis_ (A.Kidyoo)

* _Marsdenia pierrei_ Costantin

* 假藍葉藤 _Marsdenia pseudotinctoria_ Tsiang

* 美藍葉藤 _Marsdenia pulchella_ Hand.-Mazz.

* _Marsdenia purpurea_ W.D.Stevens

* _Marsdenia purpurella_ Fernando & Rodda

* _Marsdenia quadrialata_ Choux

* _Marsdenia raziana_ Yogan. & Subr.

* _Marsdenia robusta_ Balf.fil.

* _Marsdenia rotata_ Schltr.

* _Marsdenia rotundifolia_ Decne.

* _Marsdenia roylei_ Wight

* _Marsdenia rubicunda_ (K.Schum.) N.E.Br.

* _Marsdenia sarcodantha_ Schltr.

* _Marsdenia schatzii_ W.D.Stevens

* _Marsdenia schimperi_ Decne.

* 四川牛奶菜 _Marsdenia schneideri_ Tsiang

* _Marsdenia schumanniana_ (Warb.)

* _Marsdenia scortechinii_ King & Gamble

* _Marsdenia secamonoides_ (Schltr.) Omlor

* 牛奶菜 _Marsdenia sinensis_ Hemsl.

* _Marsdenia squamulosa_ Omlor

* _Marsdenia stellaris_ Ridl.

* _Marsdenia stelostigma_ K.Schum.

* 狹花牛奶菜 _Marsdenia stenantha_ Hand.-Mazz.

* _Marsdenia stenocentra_ Bakh.fil.

* _Marsdenia sultanis_ Schltr.

* _Marsdenia taynguyenensis_ (T.B.Tran & Rodda)

* 通光散 _Marsdenia tenacissima_ (Roxb.) Moon

* 絨毛牛奶菜 _Marsdenia tenii_ M.G.Gilbert & P.T.Li

* _Marsdenia tenuissima_ Steud.

* _Marsdenia teysmannii_ (Hassk.) Boerl.

* _Marsdenia thailandica_ Rodda

* _Marsdenia thomasiae_ Morillo

* _Marsdenia thyrsiflora_ Hook.fil.

* 藍葉藤 _Marsdenia tinctoria_ R.Br.

* _Marsdenia tirunelvelica_ A.N.Henry & Subr.

* 假防己 _Marsdenia tomentosa_ C.Morren & Decne.

* _Marsdenia tonkinensis_ Costantin

* _Marsdenia truncata_ Jum. & Perrier

* _Marsdenia tubiflora_ W.D.Stevens

* _Marsdenia verrucosa_ Decne.

* _Marsdenia villosula_ W.D.Stevens

* _Marsdenia vincaeflora_ Griseb.

* _Marsdenia vohiborensis_ Choux

* _Marsdenia volubilis_ (L.fil.) Cooke

* _Marsdenia warburgii_ Schltr.

* _Marsdenia wariana_ Schltr.

* _Marsdenia yarlungzangboensis_ C.Liu, J.D.Ya & Y.H.Tan

* 臨滄牛奶菜 _Marsdenia yuei_ M.G.Gilbert & P.T.Li

* _Marsdenia yunnanensis_ (H.Lév.) Woodson

* 雲南牛奶菜 _Marsdenia yunnanensis_ (Tsiang)

歸入本屬的物種：


* _Gymnemopsis pierrei_ Gostantin, 1912