Tree to 35 m, taprooted at least when young; bole to 70 cm diam., with buttresses to 3 m tall and 2 m out, unbranched until a 10 m sapling. Bark smooth to weakly cracking when exposing pale inner bark, greenish brown, inner bark midbrown; sapwood pale fawn, lenticels to 1 cm long. Crown irregular, sparsely branched. Twigs stout, conspicuously cicatrose, white latex in pith and phloem. Leafy twigs 1.5–3.5 cm diam. Leaves to 240 cm, pseudogemmulate, crowded in terminal spirals; petioles 10–15 cm, ± angled or grooved, like rachis, subglabrous. Leaflets in up to 28 pairs, to 39 by 11 cm, oblong, glossy dark green adaxially, minutely pubescent on midrib and also abaxially on veins (densely so in subsp. fulvescens), pinkish when young, bases asymmetrical, rounded or, particularly in juveniles, cuneate, apices shortly acuminate, costae 18–25 on each side, spreading, rather prominent adaxially in sicco, petiolules to 13 mm. Thyrse to 80 cm, paniculiform, puberulous; branches rather distant, to 12 cm long; ultimate branchlets cymulose, many-flowered, smelling of prunes (Jacobs); pedicels pubescent. Calyx c. 3–4 mm tall, cupular, pubescent, margin obscurely 4-lobed to truncate. Petals 4 or 5, to 15 mm long, linear-spathulate, puberulous to pubescent without, glabrous within, cream, imbricate, apices concave (corolla clavate in males). Staminal tube swollen at mouth, weakly adherent to petals at base, hairy along interlobe sutures near apex without, villous within, margin with 6–8 linear, 2-or 3-toothed lobes to 2.5 mm long; anthers 5–8 (9), c. 2.5 mm long, oblong, locellate, basifixed, sometimes slightly exserted. Disk obscure. Ovary 4-locular, sericeous; style sericeous in proximal 7/8; stylehead cylindrical with apical lobing. Capsule to 15 cm diam., 4-valved, orange-brown, white within. Seeds 4, 4.5 cm long, orange-segment-shaped, covered with powdery (?) sarcotesta.
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