Heterostemma

Heterostemma is a genus of plants in the family Apocynaceae, first described in 1834. It is native to India, China, Taiwan, Southeast Asia, Australia, and certain islands in the Pacific.

Species
45 species are currently accepted: • # Heterostemma acuminatum Decne. – Java

• # Heterostemma alatum Wight & Arn. – Indian subcontinent and Myanmar

• # Heterostemma andersonii (Hook.f.) Rodda – eastern Himalayas (Sikkim to Darjeeling)

• # Heterostemma angustilobum Schltr. – Philippines (Mindanao)

• # Heterostemma barikianum P.Agnihotri, D.Husain, P.Katiyar, D.Sahoo, Rodda & T.Husain – Manipur, Myanmar, and Thailand

• # Heterostemma beddomei (Hook.f.) Swarupan. & Mangaly – southwestern India

• # Heterostemma bicanthaceum Meve, Gâteblé & Liede – New Caledonia

• # Heterostemma brownii Hayata – southern China including Taiwan

• # Heterostemma carnosum Rodda – eastern New Guinea

• # Heterostemma collinum Schltr. – New Guinea

• # Heterostemma cucphuongense T.B.Tran & Rodda – Vietnam

• # Heterostemma cuspidatum Decne. – Philippines

• # Heterostemma dalzellii Hook.f. – western India

• # Heterostemma deccanense (Talbot) Swarupan. & Mangaly – southwestern India (Maharashtra and Kerala)

• # Heterostemma disciflorum (Hook.f.) Swarupan. & Mangaly – southern India (Andhra Pradesh and Karnataka)

• # Heterostemma esquirolii (H.Lév.) Tsiang – Thailand and southern China

• # Heterostemma ficoides A.Kidyoo – Thailand

• # Heterostemma fimbriatum King & Gamble – Peninsular Malaysia (Perak)

• # Heterostemma garrettii (Kerr) Rodda – Thailand

• # Heterostemma grandiflorum Costantin – Vietnam and southern China

• # Heterostemma herbertii Elmer – Philippines (Luzon)

• # Heterostemma kaniense Schltr. – New Guinea

• # Heterostemma lobulatum Y.H.Li & Konta – Yunnan

• # Heterostemma maculatum (Kerr) Rodda – Thailand

• # Heterostemma magnificum P.I.Forst. – Australia (Northern Territory)

• # Heterostemma membranifolium (Lauterb. & K.Schum.) Schltr. – Bismarck Archipelago

• # Heterostemma menghaiense (H.Zhu & H.Wang) M.G.Gilbert & P.T.Li - Yunnan, Hainan, and Taiwan

• # Heterostemma montanum Schltr. – New Guinea

• # Heterostemma oblongifolium Costantin – Vietnam, Laos, southern China

• # Heterostemma pingtaoi Shao Y.He & J.Y.Lin – Hainan

• # Heterostemma piperifolium King & Gamble – southern Indochina (Vietnam, Cambodia, and Thailand) and Peninsular Malaysia

• # Heterostemma samoense (A. Gray) P.I. Forst. – Samoa

• # Heterostemma saolaense Rodda & T.A.Le – Vietnam

• # Heterostemma siamicum Craib – Thailand, Vietnam, southern China (southern Yunnan and Guangxi)

• # Heterostemma sinicum Tsiang – Hainan

• # Heterostemma stellatum Hook.f. – eastern Himalayas and Assam

• # Heterostemma suberosum Costantin – Vietnam

• # Heterostemma succosum Kerr – Thailand

• # Heterostemma tanjorense Wight & Arn. – India and Sri Lanka

• # Heterostemma trilobatum A.Kidyoo & Thaithong – Thailand

• # Heterostemma tsoongii Tsiang - southern China (Guangxi, Fujian, and Hainan)

• # Heterostemma urceolatum Dalzell – southwestern India (Maharashtra and Karnataka)

• # Heterostemma vasudevanii Swarupan. & Mangaly – India (Kerala)

• # Heterostemma wallichii Wight & Arn. - Yunnan, Nepal, Assam, and Bhutan

• # Heterostemma xuansonense T.B.Tran & J.Hw.Kim – Vietnam