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 very steep granite slopes along river canyon at elev. 1200-1300 m. Terrestrial herb on wet shady rocky river slope. Common.
No VH 6389 12.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)