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 domination at 750-850 m alt.
Herb up to 0.4 m high. In open swamp along mountain stream. Not rare.
VH 2129 29.11.1995 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