S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12°30′N, 108°30′E) along Dak Tour river on N macroslope of Chu Yang Sinh mt system. Secondary dry open forest with bamboo along river slopes at elev. 450-500 m. Terrestrial herb fern with vine fronds 3-4 m lg in open place. Common.
VH 5999 04.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)