FLORA OF VIETNAM Fam. Begoniaceae Begonia sp. N. Vietnam, Bac Can prov., Na Ri distr., Kim Hy municipality, vicinities of Lung Hin Con village (N 22º17' E 106º03'), 27 km to 55º of Bac Can city. Primary evergreen mixed mossy forest with Pseudotsuga brevifolia and bamboo along tops of karst remnant limestone ridge at elev. 700 m a.s.l. Adpressed lithophytic forb in crevices of shady verical cliffs. Leaves below violet, above deep green with irregular palmate white spot. Very common. Usual codominanthe of lithophytic forb communities. No NTH 3725 20 Oct. 1999 Collectors: N.T. Hiep, P.K. Loc, L. Averyanov.