Sapwood surface corrugated. Lenticels small, 1 mm or less in diameter, exhibiting an extruded appearance.
Leaf bearing twigs, compound leaf rhachis and leaflet stalks clothed in erect, brown hairs. Leaf bearing twigs longitudinally grooved. Compound leaf rhachis with two grooves on the upper surface. Leaflet blades about 4.5-9 x 2-8 cm. Midrib raised and often hairy on the upper surface. Leaflet stalk short and swollen at its junction with the compound leaf rhachis.
Inflorescence usually with rusty hairs. Young inflorescence bracts about 3-7 x 1-3 mm. Flowers about 4-5 mm diam. Calyx shortly cupular, lobes five, ovate, subequal, flat, not concave. Fifth petal usually reduced. Disk yellow-orange, +/- horseshoe-shaped. Stamens eight.
At the tenth leaf stage: leaf or leaflet blades elliptic, apex acuminate, hairy on the upper surface; petiole and rhachis of compound leaf and stem clothed in long pale brown hairs. Seed germination time 41 to 63 days.