Tree to 7 m high. Branchlets terete, scarcely puberulous, glabrescent. Stipules not seen. Leaves: rachis 25-85 cm, scarcely puberulous; gland narrowly elliptic, sessile, sunken, without raised margins, flat when old, 2.5-7 mm; pinnae 3 or 4 pairs, (2-)9-49 cm, scarcely puberulous; petiolules 2-7 mm, black, glabrous; leaflets (2-)5-6 pairs per pinna, opposite, chartaceous, drying grey or green, ± unequal-sided, ovate-elliptic or broadly elliptic, (5.8-)12.5-23 by (2.6-)8-10.6 cm, base ± asymmetrically broadly cuneate to rounded but shortly decurrent in the basiscopic portion, apex short-acuminate, mucronulate, both surfaces glabrous; principal lateral veins 4-6 per leaflet-half, arching; reticulation prominulous above, prominent beneath. Inflorescence cauliflorous, glabrous, a simple or scarcely branched raceme to 3 cm, with the flowers congested near the apex; pedicels 0.5-5 mm, glabrous; bracts inconspicuous. Flowers white, pentamerous, bisexual. Calyx narrowly campanulate or tubular, glabrous, (13-)20 mm, irregularly dentate; teeth broadly triangular, obtuse, to 3 mm. Corolla tubular, (35-)40-45 mm, glabrous; lobes oblong, recurved, broadly acute, 8-13 mm. Stamens to 75 mm; tube exserted. Ovaries 3, glabrous. Pod reddish outside, orange within, densely contorted, 8.5-24 by 1.5-3 cm, fleshy, sinuate, glabrous, wrinkled, veins inconspicuous. Seeds imbedded in the fleshy pericarp, not seen.
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