S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay and Prov. Khanh Hoa, distr. Khanh Son boundary region, 41 km to NE from Dalat city. Primary closed broadleaved cloud forest on tops
of Nui Hon Giao ridge at 1950-2050 m alt. (N 12° 11′, E 108° 43′). Tree 12-15 m hg. Not rare. VH 4200 23.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)