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 evergreen broad-leaved forest with remnants of primary elements along river slopes at elev. 450-550 m. Terrestrial rosette ephemeroid herb in open grassy dry river slope. Flowers white, light yellowish. Locally very common.
VH 5901 02.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)