Cynanchum gracillimum

{{short description|Genus of plant}}

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|taxon = Cynanchum gracillimum

|authority = Wall. ex Wight

|synonyms = *Adelostemma gracillimum (Wall. ex Wight) Hook.f.

|synonyms_ref = {{cite web |title=Cynanchum gracillimum (Wall. ex Wight) Hook.f.. |work=Plants of the World Online |publisher=Royal Botanic Gardens, Kew|url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:96231-1 |access-date=2023-02-03 }}

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Cynanchum gracillimum is a species of flowering plant in the family Apocynaceae. Under the synonym Adelostemma gracillimum, it was at one time the only species in the genus Adelostemma. It is native to Myanmar and China (Guangxi, Guizhou, Yunnan).[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200018500 Flora of China Vol. 16 Page 205 乳突果 ru tu guo Adelostemma gracillimum (Wallich ex Wight) J. D. Hooker, Fl. Brit. India. 4: 21. 1883.][https://www.biodiversitylibrary.org/page/388551#page/24/mode/1up Hooker, Joseph Dalton. 1883. Adelostemma. Flora of British India 4(10): 20-21]