Dja Biosphere Reserve, Northwest Sector near the village of Somalomo, Upper Dja River Basin, within 2 km radius of Dja base camp located at 3°21’29.8” N; 12°43’46.9” W, 1 km west of Dja base camp, in monospecific upper story Gilbertiodendron dewevrei forest
Prov. Setschwan austro-occid. In montis Gonschiga a monast. Muli ad septentr. pagi Yunnan. Yunguing versus Dschungdien siti reg. frig. temp., in silvis Rhododendr.