Thanh Hoa Prov., Thuong Xuan Distr., Yen Nhan Municipality, about 20 km to E of Bat Mot Mun., Xuan Lien Nature Reserve, along stream banks of shale mountains.
Clustered in primary closed evergreen seasonal tropical broad-leaved submontane forests on slopes of limestone mountains.
Medium-sized evergreen tree. HAL 11188 21 Aug. 2007 Coll.: P.K. Loc, N.S. Khang, N.T.Vinh & L.V. Hung
Grant from MOST, Council for Natural Science, Section of Life Sciences (6.077.06), Vietnam