Leaves drying dark, 3–5-foliolate; petioles 9–15 cm long, terete; median petiolules 0.5–2.5 cm long; leaflets 10–20 × 5–6.5 cm, median leaflet largest, elliptic to broad obovate, rounded or apiculate to shortly acuminate at the apex, cuneate to ± attenuate at the base, entire to remotely serrulate, glabrous on both surfaces with a few short hairs on the nerves beneath, nerves ± raised on both surfaces.
A tree. It grows up to 20 m tall. The bark is white or pale brown. The leaf stalk is 9-15 cm long. The leaves have 3-5 leaflets. The leaflets are 10-20 cm long by 5-7 cm wide. The middle leaflet is the largest. The flowering shoots are in the axils of the leaves and 7-11 cm long. They are slender with a few flowers. The fruit is fleshy and 1.4 cm long by 1 cm wide.
Corolla pale yellow, 10–11 mm long, with scattered gland-dots, densely pubescent; tube c. 5 mm long, straight; lobes at obtuse angle to tube, middle lower lobe 5.5 × 4.5 cm.
Drupe c. 1.4 × 1 cm, obovoid (?immature), rounded at apex, ± enclosed in the enlarged calyx; fruiting calyx cup-shaped, pubescent, not gland-dotted.
Inflorescences axillary, 7–11 cm long, of ± slender, few-flowered compound dichasia, shortly crisped-pubescent; bracteoles 0.4–0.5 cm long, linear.
Calyx obconical, 5-toothed, not gland-dotted, densely pubescent, accrescent in fruit; tube c. 2 mm long; teeth c. 0.3 mm, erect.
Tree c. 15–18 m tall; bark white or pale brown, smooth; older branches dark red-brown; young branches crisply pilose.
Ovary obovoid, sparsely gland-dotted at apex only, glabrous, truncate at apex; style 5 mm long.
Stamens scarcely exserted from tube; filaments pubescent at base, hairs eglandular.