FLORA OF VIETNAM. Pellionia radicans Wedd. S. Vietnam, Prov. Khanh Hoa, distr. Khanh Son, 42 km to NE from Dalat. city. Primary closed broadleaved evergreen forest on shelfes and along. bluffs of giant waterfall in upper reaches of Lieng Ly river. on E macroslope of Hon Giao mt. ridge at 1300 m alt. (N 12° 12', E 108° 44'). Terrestrial and epilitic herb on wet shadow stream canyon rocks. Very common. No VH 4353  25.04.1997. International Botanical Expedition of the U.S.A. National Geographic. Society (grant No 5803-96). . Collectors: L. Averyanov, N.Q. Binh, N.T. Hiep