Bac Giang Prov., Son Dong Distr., Thanh Son Comm., HQ of Tay Yen Tu NR, about 6 km to the south of point 21°12′52” N, 106°45′48” E, 100 m.
Collected nearby, in heavily logged primary broad-leaved forests on slopes of shale lowland mountains (Dong Thong vill.) cultivated in Botanical Garden of NR, at Dong Thong. Evergreen tree, up to more than 6 m tall, 0.05 m in dbh. HAL 11229 27 Sep 2007 Coll.: P.K. Loc & N.T.Vinh
Grant from MOST, Council for Natural Science, Section of Life Sciences (6.077.06), Vietnam