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.
Herb vine 4-5 m lg. In open place. Not rare.
VH 2231 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