S. Vietnam, Prov. Khanh Hoa, Distr. Khanh Le, about 8 km from Khanh Le village to the W along Lieng Ly river at 600 m alt. Primary evergreen mountain forest. Terrestrial herb in shadow places. Not common.
VH 2482 15.12.1995
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)