Heterostemma

Heterostemma
Unidentified Heterostemma species
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Gentianales
Family:	Apocynaceae
Subfamily:	Asclepiadoideae
Genus:	Heterostemma R.Br. 1810

Heterostemma is a genus of plants in the Apocynaceae, first described in 1834.^[1] It is native to India, China, Southeast Asia, Australia, and certain islands in the Pacific.^[2][3][4]

Species^[5]

The Plant List categories many species names in Heterostemma as "unresolved," i.e., of uncertain affinity. The following are accepted:

1. Heterostemma acuminatum Decne. - Java
2. Heterostemma brownii Hayata - S China incl Taiwan
3. Heterostemma esquirolii (H.Lév.) Tsiang - Thailand, S China
4. Heterostemma grandiflorum Costantin - Vietnam, S China
5. Heterostemma lobulatum Y.H.Li & Konta - Yunnan
6. Heterostemma magnificum P.I.Forst. - Northern Territory of Australia
7. Heterostemma menghaiense (H.Zhu & H.Wang) M.G.Gilbert & P.T.Li - Yunnan, Hainan, Taiwan
8. Heterostemma oblongifolium Costantin - Vietnam, Laos, S China
9. Heterostemma samoense (A. Gray) P.I. Forst. - Samoa
10. Heterostemma siamicum Craib - Thailand, Vietnam, S China
11. Heterostemma sinicum Tsiang - Hainan
12. Heterostemma tsoongii Tsiang - S China
13. Heterostemma wallichii Wight & Arn. - Yunnan, Nepal, Assam, Bhutan

References

1. Wight, Robert. 1834. Contributions to the Botany of India 42
2. Tropicos
3. Flora of China Vol. 16 Page 263 醉魂藤属 zui hun teng shu Heterostemma Wight & Arnott in Wight, Contr. Bot. India. 42. 1834.
4. Forster, P. I. 1992. A taxonomic revision of Heterostemma Wight & Arn. (Asclepiadaceae: Stapelieae) in Australia and the West Pacific. Australian Systematic Botany 5: 71–80.
5. The Plant List