Trees to 18 m tall and 30 cm d.b.h.; periderm with many, close, small, vertical fissures; inner bark brown with white markings; sap without odor, glabrate throughout. Leaves opposite, 3-9-foliolate; petiole 4-6(-11) cm long; petiolules less than 1 cm long, longer on terminal leaflets; leaflets elliptic or ovate-elliptic, acuminate, attenuate to rounded at the base, 6-13 cm long, 2.5-6.5 cm wide, sharply to obscurely serrate-crenate; stipules inconspicuous. Inflorescences termi-nal or upper-axillary, much-branched panicles to 30 cm long; pedicels 1-3 mm