S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 32.5 km to NE from Dalat city (N 12° 07', E 108° 41'). Very old open secondary cloud mossy mixed forest with domination of Pinus kesiya, Lyonia sp. and Lithocarpus sp. along ridge on NNW macroslope of Bi Dup mt system at 1700-1800 m alt. Epiphyte. Tepals yellow-whitish with purple tint and deep purple-violet stripes, top of lip yellow, flowers not smelled. Not rare.
No VH 3307 28.03.1997
International Botanical Expedition of the U.S.A. National Geographic