FLORA OF VIETNAM. Fam. Orchidaceae Juss. Aphyllorchis caudata Rolfe ex Downie var. nov. 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. Brownish-yellow saprophyte with inflorescence up to 1.5 m hogh. On shadow slopes of stream canyon. Not too rare. Sepals light yellow with small grey marks, petals light yellow with 3 violet stripes, hypochile light violet, mesochile and epichile light brown with light yellow spots on margins. Column light yellow. No VH 2221 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