S. Vietnam, Prov. Kon Tum, Distr. Dak Gley, about 7-8 km to the S of Dak Gley town on Dak Poko river near Dak Tung village. Primary dry evergreen mountain forest on elevation to Ping Zeng mountain at 900-1100 m alt.
Whitish saprophyte with inflorescence up to 10 cm lg. Flowers deep blue, Not rare at 800-900 m alt.
VH 2235 03.12.1995
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