N.Vietnam, Ha Tinh Prov., Huong Son Distr., Son Hong Municipality, around point 18°34′06′'N, 105°11′40′'E. Primary broad-leaved dry closed evergreen forest on very steep mt slopes of Khe Sinh stream canyon and along ridge composed with shale at elev. 800-1100 m a.s.l. near Laotian border. Treelet 6-12 m tall. Fruits green. Common along tops of ridge at elev. 1000-1100 m a.s.l. HAL 5310 11 May 2004