FLORA OF VIETNAM Begoniaceae Begonia baviensis Gagnep. Northern Vietnam, Ha Giang Prov., Vi Xuyen Distr., Lao Chai municipality, Can Sao village (Tay Con Linh Nature Reserve). Primary broad-leaved evergreen closed forest mixed with semi- decidous forest dominated by Alnus nepalensis, Betula alnoides, Carpinus pubescens around point 22° 49′ 24′' N,104° 49′ 18′ 'E, 1774 m a.s.l (near main field camp). Succulent herb 80 cm tall, perennial, common in humus and wet soil, shade place. Stem and leaf covered red long hairy; tepals white CPC 388 21/5/2010 . Collectors: N. Q.Hieu, N.T. Hiep, N. T. Vinh, L.T.Khuynh (Funded by Critical Ecosystem Partnership Fund-CEPF through FFI)