S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 35 km to NE from Dalat city. Closed primary mixed mt forest with Pinus krempfii on W macroslope of Gia Rinh mt. ridge at 1700-1800 m alt. (N 12° 09′, E 108° 41′). Terrestrial herb up to 20 cm hg. Flowers white, anthers yellow. Common in shadow wet places. VH 2843 18.03.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)