South Vietnam, Prov. Kontum. NW slopes of Ngoc Linh mountain system at 2000 m elevation. Primary evergreen dense mountain forest. Epiphyte. Flowers white with red spot on the center of lip.
VH 110 23 February 1995
International Botanical Expedition sponsored by the National Geographic Society (Grant 5094-93). Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev.