FLORA OF VIETNAM Begoniaceae Begonia sp.nov. Ha Giang Prov., Bac Me District., Phieng Luong commune, Phieng Luong village, So Long mountaine. Primary evergreen broad- leaf forest on limestone at elevation 1000-1100 m a.s.l. Grows in soil limestone humus , on slope and top of mountaine at elevation 1135 m a.s.l. around point 220 38’ 27.1’’N;1050 18’ 48.1’’E, 1097 m a.s.l. Terrestrial herb, succulent, fruit pink 06 April 2014, CPC 7291 Coll.: N. Q. Hieu, N.T.Hiep, N.N. Hung, T.Q. Ngan, T.P.Tuan, G.M. Pao