S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 40 km to NE from Dalat city. Closed primary evergreen mixed cloud forest with domination of Pinus krempfii on SW macroslope of Nui Hon Giao ridge at 1650-1700 m alt. (N 12° 11′, E 108° 43′). Epiphyte on mossy stems of old trees. Rare. VH 4567 05.05.1997 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