FLORA OF VIETNAM. Peliosanthes sp. N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40' E 105°57'). Remnant open evergreen primary broadleaved forest along river in alluvial valley. bottom between limestone ridges and mesas at 200-250 m alt. Terrestrial and epilitic herb with leaves up to 0.5 m lg in shadow wet. places. Very common and occasionally abundant. Usual monodominante of forb forest stratum in valley forests at 200 m alt., especially in. depressions filling with water during rain season. No VH 4835  19.05.1997. International Botanical Expedition of the U.S.A. National Geographic. Society (grant No 5803-96). . Collectors: L. Averyanov, N.T. Hiep, P.K. Loc