S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 31 km to NE from Dalat city (N 12° 08′, E 108° 39′). Closed primary broadleaved mt forest on NNW macroslope of Bi Dup mt system at 1700-1800 m alt. Tree about 15-20 m hg. Flowers white. Very common. Usual odominante of 1 forest stratum at 1600-1800 m alt. on NW macroslope of mt system. VH 4479 01.05.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)
Collectors: L. Averyanov, N.Q. Binh, N.T. Hiep, P.K. Loc, P. Lowry