S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 35 km to NE from Dalat city. Closed primary mixed mt forest with Pinus krempfii and P. dalatensis on W macroslope of Gia Rich mt. ridge at 1600-1700 m alt. (N 12° 09′, E 108° 41′). Epiphyte on high trees. Very common. VH 3489 01.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)