Quang Ninh Prov., Uong Bi Town, Thuong Yen Cong Comm., near Bao Sai Pagoda, around point 21°09′20” N, 106°43′08” E, 680 m.
In heavily logged closed primary evergreen broad-leaved submontane forests on upper slopes of silicat mountains. Evergreen tree, up to 15-20 x 0,30 m. Rare.
HAL 11238 11 Oct 2007 Coll.: P.K. Loc, N.T.Vinh & Pham Van Su
Grant from MOST, Council for Natural Science, Section of Life Sciences (6.077.06), Vietnam