N.Vietnam, Ha Tinh Prov., Huong Son Distr., Son Kim Municipality, Rao Bun stream around point 18°23′39′'N, 105°15′12′'E. Primary broad-leaved evergreen closed wet forest on very steep shale slopes of river canyon at elevation about 300-400 m a.s.l.
Tree 20-25 m tall and 40 cm in diam. Very common. Co-dominant of the first forest stratum. Fruits collected only.