Tree to 45 m; bole to 110 cm diam., fluted; buttresses to 3 m tall and out, concave. Bark smooth with large lenticels to 6 mm long, to flaking, grey to dark brown; inner bark white with coarse orange flecks and strong smell of stewing vegetables (fide Kochummen); wood yellow brown. All young parts fulvous-tomentellous. Leafy twigs 4–8 mm diam., angled, greyish, held erect. Apical bud spike-like, plump. Leaves c. 10– 18 cm long, paripinnate, 3–5-jugate with small apical scar; petiole c. 5–8 cm; rachis ± finely winged. Leaflets (subapical the largest) to c. 7 by 3 cm, oblong, leathery, shiny and glabrous adaxially, surface minutely rugulose abaxially, midrib sericeous and with domatia abaxially, strongly keeled in vivo, base rounded to weakly oblique, apex acuminate costae and intercostae not distinct from one another, c. 20 on each side, looped at margin. Thyrse to c. 10 cm, weakly branched. Flowers faintly citronella-scented. Calyx c. 5 mm diam., 1.5 mm long, margin 4-lobed. Petals 4, c. 6 mm long, puberulous without. Staminal tube narrowed at apex, puberulous without, becoming yellow; anthers 8, c. 0.8 mm long, ovate, weakly exserted. Disk c. 1 mm, shallowly cupular, yellow margin truncate. Ovary 4-locular, each locule with 1 ovule. Infructescences in axils of fallen leaves. Capsule to 5 cm long and 7 cm diam., depressed globose, splitting into 4, orange-red. Seeds 1 or 2 (3), c. 3 cm long, 2.5 cm across, black with orange sarcotesta; cotyledons green.
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