S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12°30′N, 108°30′E) to main peak of Chu Yang Sinh mt system (12°24′N, 108°26′E) along Dak Tour river (N slope). Primary closed wet broad-leaved forest on steep granite slopes at elev. 1200-1250 m. Shrub or treelet 3-4 m hg on shady steep slope. Common.
VH 6273 06.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)