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 mountain broad-leaved evergreen forest on granite slopes along river canyon at elev. 1100 m. Epiphyte on high tree along river. Not common.
VH 6446 12.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)