Tay Ninh prov., Tay Ninh city, Thanh Tan Municipality, Thanh Trung village, near Forest Protection Station, slope of Nui Ba mountain, around point 11?23′47″ N, 106?09′24″ E, 35 m a.s.l.
Clustered on stream banks, in secondary seasonal tropical lowland broad-leaved scrubs on foots of granite mountain. Perennial herb, up to 2-3 m tall. HAL 9278 29 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.