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 and lithophytic herb up to 0.6 m hg along river. Common.
VH 6031 05-06.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)