FLORA OF VIETNAM
Asclepiadaceae
Pilostigma inflexum Cost.?

Quang Binh Prov., Minh Hoa Distr., Thuong Hoa municipality, environs of Mo O O O village, around point 17°40′03.6”N 105°55′08.5”E.

Dense broad-leaved closed forest on wet flat seasonally flooded river valley on alluvial limestone clay at elevation about 336 m a.s.l.

Herbaceous vine to 6 m long. Flowers light dull yellow. Occasional. CPC 3895 29 July 2011
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Vinh.