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. 800 m. Lithophyte on mossy shady granite cliff along river. Not rare.
VH 6464 12.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)