S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 35 km to NE from Dalat city. Closed primary broadleaved mt forest along stream canyon on W macroslope of Gia Rinh mt. ridge at 1500 m alt. (N 12° 09′, E 108° 41′). Terrestrial herb in wet shadow mossy rocks along stream. Flowers white, sometimes with violet tint. Common. VH 2883 19.03.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)