Tree to 21 m high, 100 cm girth. Branchlets glabrous. Stipules not seen. Leaves: rachis 4-9.5 cm, slightly laterally compressed, sulcate, glabrous; pinnae 1 or 2 pairs, 4-8 cm, angular, glabrous or with a few scattered hairs; petiolule 2 mm, glabrous; leaflets 2 or 3 on each side of the pinna, rigidly chartaceous, drying very glossy olive green above and chestnut brown beneath, ovate-elliptic to broadly elliptic, 3-6 by 2-3.2 cm, base symmetrical, broadly rounded to subcordate, apex strongly acuminate, acumen c. 0.6-0.7 cm long, both surfaces glabrous, upper with prominulous veins and microscopic, reddish brown (when dry) pellucid dots, lower surface with c. 9 prominent, oblique, parallel veins, connected with a lax reticulation of tertiary veins. Racemes not seen fully developed; pedicel 1.2 mm, glabrous. Calyx broadly cup-shaped, with inconspicuous teeth, minutely hairy at the mouth. Petals lanceolate, acute, 2.5 mm long, puberulous towards the apex. Stamens c. 4 mm; anthers 0.5 mm long. Ovary 1.5 mm, glabrous; style c. 1.5 mm, tubular. Pod dark brownish, contorted into a short spiral at dehiscence, to c. 25 cm long and 2 cm wide, slightly sinuate between the seeds. Seeds up to 16, glossy red with a dark spot, suborbicular to broadly transversely elliptic, 7 by 8 by 5 mm, biconvex, dark spot c. 3 mm high; areole c. 6 by 7 mm, open towards the hilum.
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