S. Vietnam, Prov. Kon Tum, Distr. Dak Gley, about 12 km to N of Dak Gley town (24 km by road), near Mang Khen village. Secondary evergreen mountain forest rich in primary elements at 1000-1100 m alt. Herb 0.3-0.4 m high. Flowers white. Not rare in deep wet places along stream canyons.
VH 1858 21.11.1995
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