S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 40 km to NE from Dalat city. Closed primary evergreen broadleaved wet mt forest on SW macroslope of Hon Giao mt. ridge at 1500-1650 m alt. (N 12° 11′, E 108° 43′). Terrestrial herb up to 0.8 m hg in open place. Flowers light pink, sepals and central petal with purple base. Not rare. VH 4414 26.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)