Tree to 20 m high. Buds glabrous to pubescent; scars of inner pair of bud scales directly above (very rarely to c. 5 mm above) those of outer pair. Leaves trifoliolate and/or simple (occasional leaves bifoliolate). Trifoliolate leaves 7–18 cm long; lateral leaflets sessile or subsessile; terminal leaflet with petiolule 3–17 mm long; laminae ovate to obovate, or narrowly so, 3.5–14 cm long, 1–5.5 cm wide, entire, obtuse to acuminate. Simple leaves 5–19 cm long; petiole 0.1–1.5 cm long; lamina suborbicular or ovate to obovate, 4.5–18.5 cm long, 2–9 cm wide, cordate to acute or attenuate at base, entire, obtuse to acuminate at apex. Inflorescences 5–10 cm long. Sepals basally connate, 0.5–1 mm long, deciduous in fruit. Petals 3–4.5 mm long, puberulous abaxially at least at margin and/or towards apex. Ovary 0.8–1 mm high, glabrous to hispidulous or villous; ovules 4–6 per locule; style glabrous. Follicles ovoid to subglobose, 9–12 mm long; exocarp becoming glabrous. Seeds ovoid or subreniform, c. 8 mm long.
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