Tay Ninh prov., Tan Bien Distr., Tan Binh Municipality, Da Ha Forest Protection Station, around point 11?35′15″ N, 105?53′18″ E, 6 m a.s.l.
Scattered in logged primary closed evergreen seasonal tropical lowland broad-leaved forest on old alluvial soil with the dominance of Dipterocarpus dyeri. Perennial herb, up to 0.5 m tall; flowers greenish. HAL 9209 19 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.