Asclepiadaceae

Marsdenia sp.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’36’’N 105º39’18’E at elevation of about 250 m a.s.l. Semi-woody vine to 10 m long (and longer) in open place, flowers light green. Not common.

26 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2924.