FLORA OF VIETNAM Vitaceae Tetrastigma planicaule (Hook.f.) Gagnep.
Northern Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha municipality, to the S of Na Nheo village (in the vicinity of point 21°59′04′'N, 104°15′08′'E). Primary closed broad-leaved evergreen wet submontane forest on steep granite and quartzite slopes of stream canyon at elev. 900-1150 m a.s.l. Woody vine 30-35 m lg with flat stem up to 25 cm wide. Common.