S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary closed mountain broad-leaved evergreen forest on granite slopes along river canyon at elev. 800 m. Terrestrial fern on very steep shady slope of river canyon.
No VH 6466 12.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)