Much-branched shrub or tree, 2.4-8(-20) m high, bole to 13 m tall, to 60 cm in diameter. Branchlets terete, greenish, glabrous. Stipules absent but stipular glands present. Leaves: rachis 10-55 cm, glabrous, with one gland, circular or elliptic, usually depressed, without raised margins, 1-4 mm long; pinnae 2-3(-4) pairs, to 12 cm long, glabrous, glands circular, 1-2 mm in diameter, with depressed central part, margins sometimes ± raised and swollen; petiolules black, 4-5 mm, glabrous; leaflets (l-)2-4 pairs per pinna, opposite, coriaceous, drying glossy pale yellowish green, unequal-sided, ovate, elliptic, obovate-ellip-tic, or lanceolate, (5.2-)7-18(-23) by 3.5-9(-15) cm, base slightly asymmetrical, broadly cuneate to subtruncate, apex acuminate, both surfaces glabrous, principal lateral veins (4-)6-7 per leaflet-half, arching, non-parallel; reticulation dense, prominent on both surfaces. Inflorescences usually cauliflorous or ramiflorous, sometimes terminal, glabrous, consisting of pedunculate umbels aggregated into racemes or panicles to 30 cm long; umbels 2-5-flowered; pedicels 2-7 mm; floral bracts absent. Flowers pentamerous, bisexual or possibly also male or female. Calyx greenish or dark glossy green, tubular or broadly campanulate, (5.5-)6-12 mm, glabrous; teeth broadly triangular, acute, up to 3 mm. Corolla white or greenish yellow, tubular or narrowly funnel-shaped, (17-)20-35 mm, glabrous; lobes curved backwards, triangular-ovate or oblong, acute, (4-)7-10 mm. Stamens silky-white, 40-75 mm, tube exserted. Ovaries 2-6, glabrous. Pod ± red outside, orange within, nearly straight or contorted into a circle, 10-20 cm long, 2(-3) cm wide, woody or fleshy, divided into (nearly) separate compartments, sinuate, glabrous, veins inconspicuous, pod dehiscing along the dorsal suture (or possibly indehiscent). Seeds black or bluish-black with a whitish bloom, obovoid or ellipsoid, ± compressed, c. 10-16 by 8-10 mm.
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Glabrous tree to 20 m tall. Leaves: axes with sunken glands at insertion of pinnae and leaflets; pinnae 2 (or 3)-jugate; leaflets 2-or 3-jugate with petiolules 2–7 mm long, ovate, elliptic or obovate-elliptic, acute to acuminate with obtuse tip, (5.2–) 7.5–23 cm long, 3.5–11.5 cm wide. Inflorescences commonly cauliflorous or ramiflorous, to 26.5 cm long; flower clusters pedunculate. Flowers 2–5 per cluster with pedicels (2–) 3.5–4.5 mm long; calyx cylindric or campanulate, 5–9 mm long, greenish; corolla funnel-shaped, 17–25 mm long, white or greenish. Pod slightly curved to once-coiled, deeply constricted on one margin between seeds, 7–12 cm long, 15–25 mm wide, woody, reddish externally, orange within. Seeds obovoid or ellipsoidal, c. 10–16 mm long, 10 mm diam., black with white bloom.