S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12°30′N, 108°30′E) to main peak of Chu Yang Sinh mt system (12°24′N, 108°26′E) along Dak Tour river (N slope). Primary closed wet broad-leaved and mixed forest (with Pinus, Fokienia, Dacrydium and Dacrycarpus) on steep granite slopes at elev. 1550 m. Creeping terrestrial herb on wet shady steep slope of stream canyon. Leaves uniformly green. Not common.
VH 6259 07.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)