Trees 5–20(–30) m; clear bole to 16 m, 50 cm diam., sometimes fluted or with small buttresses to 60 cm tall, 5 cm wide, 30 cm out. Bark grey and smooth with lenticels and bosses of defunct inflorescences to mottled brown with rectangular flakes; inner bark fawn with sour smell and no conspicuous latex; wood straw-coloured. Leafy twigs 3–6 mm diam., lenticellate. Apical buds with fist-shaped young leaves, ± fulvous pubescent. Leaves to 60 cm, imparipinnate, 4-or 5-(to 6-)jugate; petiole 8–16 cm, 4–5 mm diam., terete to flattened or grooved adaxially when dry, ± rusty puberulous or even tomentose, swollen at base; rachis 3–4 mm diam., terete to flattened adaxially, ± rusty puberulent to pubescent or even tomentose. Leaflets to 17(–30) by 7 cm, the apical the largest, ovate-elliptic to ovate or obovate in the terminal one, opposite to subopposite, acuminate, base cuneate, or acute laterals often asymmetrically so, sparsely pubescent to densely rusty tomentose, particularly on abaxial surface of veins and adaxial surface of midrib, papery when dry, rather bullate when fresh, venation brochidodrome, conspicuously reticulate, costae c. 9–12 on each side, prominent abaxially, petiolules c. 4–9 mm (–15 mm on terminal leaflet), pubescent, somewhat swollen. Spikes to 8 cm, borne on persistent woody tubercles to 7 cm diam. on bole almost to ground level and major branches and sometimes axillary as well, usually in fascicles, tawny tomentose, sweetly scented; almonds and musk, Corner); bracts c. 1 mm long, triangular, adpressed pubescent; pedicels 2–3 mm, pubescent. Calyx 2–3 mm tall, cupular with 3 or 4 irregular shallow teeth, adpressed pubescent. Petals (3 or) 4, 7–10 mm long, linear-oblong, acute, imbricate at least at apices, glabrous or sparsely hairy without, white to pinkish or creamish. Staminal tube glabrous to puberulent without, sericeous within, white margin with (6–)8 bifid lobes; anthers (6–)8, at base of notches between lobes, c. 1 mm long, ovate. Disk 3–4 mm long, glabrous, margin irregularly lobed. Ovary (3–) 4-(or 5-) locular, pilose; style terete pilose in proximal half; stylehead ± discoid, yellow. Fruits solitary or clustered at end of rachides (to 8 cm long), to 4 cm long and 4 cm diam., top-shaped, 3-or 4-(or 5-)locular, sometimes 3–4-angled or weakly winged, glabrous, red, pericarp with milky latex, valves bright orange within. Seeds 1–4, to c. 2 cm long, 8 mm wide, plano-convex, borne on white placenta, aril basal, bright orange; testa black.
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A tree. It grows 30 m tall. The trunk is 25 cm across. It produces fruit along the trunk. The leaves are compound with 5-6 pairs of leaflets. The flowers are in spikes clustered on the trunk. The flowers are white or pink and have a sweet scent. The fruit are often in clusters and are red when ripe.