S. Vietnam, Prov. Lam Dong, 29 km to NE from Dalat city, distr. Lac Duong, municipalite Da Chay. Closed broadleaved cloud forest on main peak of Bi Dup mountain system at 2260 m alt. (N 12° 05′, E 108° 40′). Epiphytic, terrestrial and epilitic prostrate herb. Leaves with whitish tesselation. Very common on tops of Bi Dup ridge. VH 2999 21.03.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)