South Vietnam, Prov. Kontum. NW slopes of Ngoc Linh mountain system at 1600 m elevation. Open dry secondary forest. Herb vine to 2 m long.
VH 153 23 February 1995
International Botanical Expedition sponsored by the National Geographic Society (Grant 5094-93). Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev.