Tree to 28 m high. Trichomes mostly simple. Leaves trifoliolate; petiole 2.5–6.5 cm long; terminal leaflet sessile, elliptic to obovate, 6.5–13.5 cm long, 3.5–5.5 cm wide, attenuate at base, obtuse or obtusely acuminate at apex. Inflorescences axillary and/or infrafoliar, 2–3.5 cm long. Flowers bisexual. Sepals connate in c. proximal ¾, the free part ovate-triangular, c. 1.5 mm long. Petals c. 3.5 mm long, white, abaxially sparsely puberulous, adaxially pubescent in c. proximal ½ and longitudinally 3-ridged, deciduous in fruit. Stamens 4; filaments minutely pilose in c. proximal ⅕; anthers c. 2 mm long. Disc pubescent on top. Gynoecium syncarpous, c. 4 mm long; ovary pubescent; ovules 2 per locule; style c. 3 mm long, sparsely minutely pilose in c. proximal ⅔; stigma punctiform, c. 0.2 mm wide. Fruit a 4-loculed septicidal capsule 8–10 mm long, not beaked; carpels in dehisced capsule connate in proximal ½–⅔, ascending; exocarp fleshy; endocarp glabrous, adnate. Seed attachment Type B; seeds ellipsoid, 4.5–5 mm long; raphe of seeds ± straight or gently curved.
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