Tay Ninh prov., Tay Ninh city, Ninh Son Municipality, Ninh Tan village, near Nui Ba tourist center, slope of Nui Ba mountain, around point 11?22′03″ N, 106?09′57″ E, 160 m a.s.l.
Clustered on rock cliffs and tree canopy with many other vines, in secondary seasonal tropical lowland broad-leaved forest on slopes of granite mountain. Perennial herbaceous vine, up to 4-6 m; flowers whitish. HAL 9270 28 Sep 2006 Photos Id by Phan Ke Loc Collectors: Phan Ke Loc, Nguyen Tien Vinh, Dang Van Son & Nguyen Quoc Dat
Collected with the financial support from NYBG, U.S.A.