Understory shrub, 2-3 m tall. Young parts sparsely tomentulose, glabrescent with age. Leaves unifoliolate (trifoliolate leaves sometimes in same plant); petioles adaxially flattened-canaliculate, 6-22 mm long; leaflets membranous, glabrous, elliptic, 12.5-21 × 4.5-7.5 cm, the base acute, the apex acuminate, shortly acuminate or acute, the margins remotely serrate or subentire, venation slightly prominent and usually puberulent on abaxial surface. Thyrses simple or with few, short, lateral branches, 5-10 cm long, tomentulose, glabrescent; cincinni sessile; pedicels 1.5-2 mm long. Sepals 4, sparsely pubescent, 1.2-1.5 mm long, outer sepals smaller than the inner ones; petals clawed, spatulate, ca. 1.2 mm long; disc 4-lobed, glabrous; stamens ca. 1.2 mm long, the filaments puberulent. Monocarps yellow, glabrous, obovoid, 1-1.2 cm long.
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