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 to main peak (12°24′N, 108°26′E). Primary broad-leaved mountain evergreen closed forest on granites along river slopes at elev. 1000-1200 m. Terrestrial herb up to 1 m hg in wet very shady steep slope of river canyon. Flowers white with purple tint toward apex of tepals. Not rare.
VH 6030 05-06.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)