S. Vietnam, Prov. Kon Tum, Distr. Dak Gley, 3-4 km to the S of Dak Gley town on Dak Poko river. Primary evergreen mountain forest along stream at 650-750 m alt.
Epiphyte on trees above stream. Flowers yellowish-orange with strong unpleasant smell, sepals with purple strips, lip brown. Not common.
VH 2410 12.12.1995
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