Son La Prov., Quynh Nhai Distr., Muong Chien Comm., Muong Chien Vill., 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), upper parts of slope of limestone mountains.
In completely logged and suffered from fire primary closed evergreen broad-leaved submontane scrubs .