Seldom exceeding 30 cm dbh. Sapwood surface corrugated. Inner and outer blazes usually distinct.
Leaflet blades about 4.5-14.5 x 2.5-4.5 cm, with rounded teeth, rather large and conspicuous, sometimes almost approaching the lobed category. Leaflet stalks short. Midrib slightly raised on the upper surface of the leaflet blade. Compound leaf rhachis with a median ridge and two grooves on the upper surface. Terminal buds and young shoots densely clothed in pale brown hairs. Domatia are small foveoles.
Inflorescence about 6-30 cm long, approximating or shorter than the leaves, pedicels about 4-7 mm long. Calyx about 2 mm long, pubescent. Petals about 3.5 mm long, two large, hairy, glandular scales on the inner surface. Stamens eight. Anther filaments hairy, about 2.5-3 mm long, inserted on the inner side of the orange disk. Ovary pubescent.
First pair of leaves compound, leaflets 4-6, margins toothed, terminal leaflet toothed and lobed. Petiole and rhachis winged. At the tenth leaf stage: leaflet blades ovate to elliptic, midrib raised on the upper surface, margin crenate, teeth large, about 3 or 4 on each side of the leaflet blade, glabrous; petiole and rhachis narrowly winged. Seed germination time 14 to 21 days.