FLORA OF VIETNAM Begoniaceae Begonia handelii Irmsch.
N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Thanh Son Municipality, middle part of Pu Luong range around point 20°28′14′'N, 105°05′34′'E. Primary evergreen seasonal broad-leaved closed submontane forest on basalt along main ridge at elev. 1450-1550 m. Lithophyte. Flowers light pink. Leaves uniform green above, with purple-brown tint below. Very common.