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 chlorophyll less brownish-pink saprophyte in shadow steep slope of stream canyon. Sepals olive-brownish, petals whitish, lip white, anther white. Very rare. VH 3977a 15.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)