Small tree 5–10 m; bole to 15 cm diam. Bark smooth, mottled, lenticellate; wood yellowish white (Elmer). Leafy twigs ascendant, 3–6 mm diam., cicatrose, lenticellate. Apical buds with fist-shaped leaves, sericeous. Leaves 15–40 cm, paripinnate, with caducous, apical spike c. 1 mm long, 3–5-jugate; petiole 3–8 cm, 1.5–3 mm diam., subglabrous to finely sericeous, base swollen and flattened or hollowed adaxially; rachis c. 1.5–2.5 mm diam., subglabrous to finely sericeous. Leaflets opposite, the most proximal smallest, 3–9.5 by 1.5–6 cm, narrowly ovate to elliptic, subglabrous to sparsely pubescent on veins abaxially, base weakly asymmetric, acute to cuneate, apex acute to gradually long acuminate; costae c. 10–12 on each side, ± prominent abaxially, weakly arcuate, ± bifid 2/3 from midrib and anastomosing, domatia in axils; petiolules 2–4 mm. Racemes or thyrses 5–40 cm long, ± supra-axillary, erect, with few, widely separated flowers, unbranched or basal branches to 6 cm long with 2–7 flowers; axes finely sericeous, delicate; bracts c. 1.5 mm long, narrowly triangular, densely pubescent; pedicels 0.5–3.5 cm with 2 subopposite bracteoles, densely pubescent, c. 0.5 mm long near apex. Calyx c. 5 mm long, 4.5 mm diam., cupular, very sparsely sericeous, margin subtruncate to obscurely and irregularly lobed, ciliate, base narrowed into short pseudopedicel articulated with pedicel. Petals 4, c. 8–10(–15) mm long, narrowly oblong, somewhat puberulous near apices, white to pinkish, imbricate, ± adnate to staminal tube at base. Staminal tube glabrous without, densely villous within, especially near base, margin irregularly 8-lobed, each lobe variously laciniate; anthers 8, c. 1.5 mm long, narrowly oblong, apiculate, glabrous, inserted between lobes and slightly exserted. Disk c. 2.5–3 mm long, glabrous, closely enveloping ovary, margin ± irregularly 4-toothed. Ovary ± densely pubescent, 4-locular, each locule with one ovule; style terete, ± pubescent in proximal third; stylehead subdiscoid to capitate. Capsule c. 2 cm long, 1 5–2 cm diam., obovoid, red, apiculate splitting into four valves, white within. Seeds c. 1 cm long, trigonal-convex, covered with thin aril (?sarcotesta).
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