FLORA OF VIETNAM Plants of Phong Nha - Ke Bang National Park Rutaceae Micromelum sp.
Vietnam, Quang Binh Prov., Minh Hoa Distr., Thuong Hoa Municipality, about 1 km to N of Ban On village (17°40′21′'N, 105°58′00′'E).
Logged primary closed evergreen broad-leaved lowland forest along stream and foothills of rocky ridge composed with solid marble-like highly eroded crystalline limestone at elevation 340-400 m a.s.l.
Treelet 4-6 m tall in open place along river. Flowers yellow. Not rare.