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 0.4 m high in wet open places along Dak Poko river. Flowers white, tepals with dark violet margins. Rare.
VH 2087 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