S. Vietnam, Prov. Kon Tum, Distr. Dak Gley, about 12 km to N of Dak Gley town (24 km by road), near Mang Khen village. Primary wet mountain evergreen forest on slope of N exposition at 1100-1200 m alt.
Epiphyte. Very common. Flowers white, lip with purple veins.
VH 1671 14.11.1995
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, G. Yakovlev