S. Vietnam, Prov. Kon Tum, Distr. Dak Gley, about 10 km to N of Dak Gley town, between Dak Nen and Mang Khen (Dak Che) villages. Secondary evergreen mountain forest rich in primary elements at 800-900 m alt. Woody vine about 6 m lg. Marginal flowers purple.
VH 1824 19.11.1995
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