Tree c. 10 m high. Trichomes mostly simple. Leaves trifoliolate; petiole 4–12 cm long; terminal leaflet sessile, elliptic or elliptic-obovate, 9–17 cm long, 4.5–7 cm wide, attenuate at base, rounded to obtusely acuminate at apex. Inflorescences infrafoliar, c. 4 cm long. Flowers bisexual. Sepals connate in proximal ½–¾, the free part ovate-triangular, 2–2.5 mm long. Petals 5–6 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 proximal ⅙; anthers 2.5–3 mm long. Disc pubescent. Gynoecium syncarpous, 5–7 mm long, pubescent; ovules 2 per locule; style 4–6 mm long; stigma punctiform or capitellate, 0.2–0.3 mm wide. Fruit a 4-loculed septicidal capsule 8–12 mm long; carpels in dehisced capsule connate in proximal ½–⅔, divaricate, not beaked; exocarp fleshy; endocarp nearly glabrous, adnate. Seed attachment Type B; seeds ellipsoid, c. 5.5 mm long; raphe of seeds ± straight or gently curved.
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