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 Rich mt. ridge at 1700-1800 m alt. (N 12° 09′, E 108° 41′). Terrestrial prostrate herb on steep shadow slopes of mt stream canyon. Leaves velvetly brown with white central stripe. Very rare. VH 3760 07.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)