FLORA OF VIETNAM Betulaceae Carpinus viminea Lindl.
N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Thanh Son Municipality, middle part of Pu Luong range, SE slope of Phu Pha Phong peak around point 20°28′37′'N, 105°05′20′'E. Primary evergreen seasonal broad-leaved closed submontane forest on basalt along main ridge at elev. 1600-1650 m. Deciduous and semideciduous tree 15-20 m tall on open rocky cliff. Common.