FLORA OF VIETNAM NEW Plants of Phong Nha - Ke Bang National Park Fam. Liliaceae s.l. Convallariaceae Peliosanthes argenteostriata Aver., sp.nov. Type Vietnam, Quang Binh Prov., Minh Hoa Distr., Thuong Hoa Municipality, about 1-1.5 km to SW of Ban On village (17º40'21''N, 105º58'00''E). Ca Xach mountain (17º39'20''N, 105º57'42''E). Primary closed evergreen broad-leaved gnarled stunted forest along rocky ridge composed with solid marble-like highly eroded crystalline limestone at elevation 600-800 m a.s.l. Terrestrial and lithophytic herb on very steep rocky slope. Leave deep green with broad median whitish stripe. Not rare. No HAL 5975 20 January 2005. Collectors: L.Averyanov, P.K.Loc, P.V.The, A.Averyanova, N.T.Vinh, N.Q.Vinh, N.T.Binh.