Unknown family Son La Prov., Quynh Nhai Distr., Muong Chien Comm., He Vill., Pa Ma Mt., 600-900 m, around point 21050′10” N, 103035′52” E), about 2 km to E of Quynh Nhai FPD Station (around point 21050′10” N, 103034′12” E, 203 m), ridges of slope of limestone mountains.
In heavily logged and suffered from fire primary evergreen broad-leaved submontane woodlands and scrubs.
Scattered. Annual herb.
HAL 11309 03 Dec 2007 Loc’s Photos Coll.: P.K. Loc & N.T. Vinh
Grant from MOST, Council for Natural Science, Section of Life Sciences (6.077.06), Vietnam