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 wet closed mountain broad-leaved and mixed forest on granites along very steep shady slopes of river canyon at elev. 1500-1700 m. Lithophytic fern on open waterfall cliffs. Rare.
No VH 6054 11.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)