Son La Prov., Quynh Nhai Distr., Muong Chien Comm., Muong Chien Vill., Bamboo (Giang) forest, 800-900 m, around point 21050′50” N, 103032′10” E), about 2 km to W of Quynh Nhai FPD Station (around point 21050′10” N, 103034′12” E, 203 m), medium and upper parts of slope of limestone mountains.
In completely logged and suffered from fire primary closed evergreen broad-leaved submontane scrubs .
Clustered. Between rock perennial herb.
HAL 11296 30 Nov 2007 Coll.: P.K. Loc & N.T. Vinh
Grant from MOST, Council for Natural Science, Section of Life Sciences (6.077.06), Vietnam