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 wet closed mountain broad-leaved forest on granites along river slopes at elev. 800-1000 m. Terrestrial herb up to 20 cm hg in very steep river slope. Not common.
VH 6121 04.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)