Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (118).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (113).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (112).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (103).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (107).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (106).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (105).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (115).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (121).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (119).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (109).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (108).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (114).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (117).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (116).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (104).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (110).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (120).JPG
Heterostemma grandiflorum, D. Boufford 44180--China. Yunnan. Meng Lun to Meng Tang on G213. 7 May 2018. DSC03328 (111).JPG
Native to China South-Central, China Southeast, Hainan, Laos, Vietnam (source: POWO). Flora of the World documents 1 occurrence across 1 country.
Location
China, Yunnan, Jinghong. (Xishuangbanna Dai Autonomous Prefecture, Jinghong)
21.970833, 101.195
Location Remarks
Xishuangbanna Daizuzi-Zhizhou; NW of Menglun-zhen between Menglun-zhen and Jingzu-Xiang on route G213 along a tributary of the Nanban Jiang (Nanban River). Mixed broadleaved evergreen and deciduous forest with Fagaceae and Lauraceae common on steep, unaltered slopes, also Duabanga common along main stream; most of forest on accessible slopes converted to rubber plantations. 830-920 m. elev.
Collectors
David E. Boufford, Sharon R. Christoph, Christopher Davidson, Xin-Han Huang, Zhuo Zhou
Notes
Climbing on shrubs in thicket on slope above stream; in open and in sunlight for most of day. Vine, ca. 7 m long; broken stem and leaves with copious milk-like sap; calyx green; petals dark brownish yellow, center portion dark purple.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Gentianales
Family
Apocynaceae
Genus
Heterostemma
Specific Epithet
grandiflorum
Authorship
Costantin
What is EDGE?
Evolutionary distinctiveness
Lower
ED 2.7
Part of a well-represented branch of the plant tree of life, with many close relatives.
Threat status
Modelled estimate
EDGE score
0.2
Global rank
#185,650 of 335,497
Top 56%
Extinction probability
10%
