S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay and Prov. Khanh Hoa, distr. Khanh Son boundary region, 41 km to NE from Dalat city. Primary closed broadleaved cloud forest along Nui Hon Giao ridge at 1700 m alt. (N 12° 11′, E 108° 43′). Terrestrial and epilitic prostrate herb in shadow places. Very common. Abundant at 1700-2050 m alt. Leaves often with white tesselation.
VH 4381 26.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)