Vietnam, Quang Binh Prov., Bo Trach Distr., Phong Nha – Ke Bang national park Truong Son, around point 17°36′37″N 106°18′31″E at elevation about 50 m a.s.l.
Cultivated tree about 10 m tall, collected in the around area. Flowers whitish.
HAL 11613 16 April 2008 photo Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang