S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12°30′N, 108°30′E) along Dak Tour river on N macroslope of Chu Yang Sinh mt system. Secondary dry open forest with bamboo along river slopes at elev. 450-500 m. Terrestrial herb or shrublet up to 20 cm hg. Flowers yellowish. Not common.
VH 5984 04.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)