S. Vietnam, Prov. Kon Tum, Distr. Dak Gley, about 6-8 km to the N of Dak Gley town. Secondary evergreen dry forest rich in primary elements with bamboo (Oxytenanthera sp.) domination at 700-750 m alt.
Herb up to 1 m high. On wet open places along river. Rare.
VH 2083 28.11.1995
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