S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 35 km to NE from Dalat city. Closed primary broadleaved mt forest on W macroslope of Gia Rinh mt. ridge at 1800-1900 m alt. (N 12° 09′, E 108° 41′). Terrestrial herb on steep slopes of deep wet canyon. Flowers white with brightly scarlet tips of tepals. Not rare. VH 2857 18.03.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)