Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Semi-woody vine 6-7 m long in open secondary forest along fiend border. Flowers yellowish. Common.
27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2948.
Record creation: 2024-06-18, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01124963 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01124963