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 wet broad-leaved forest on steep granite slopes at elev. 1200-1250 m. Lithophytic and terrestrial fern on shady very steep slope of river canyon. Not rare.
No VH 6268 06.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)