Trees, 20-25 m tall, deciduous; young branches black-brown when dry, with vertical stripes and prominent lenticels. Leaves odd-pinnate; rachis 15-20 cm, pubescent when young; leaflets 7-9; petiolule of lateral leaflets 2-5(-8) mm, slightly pubescent, that of terminal leaflet up to 1-1.5(-2.3) cm, slightly pubescent; blades narrowly ovate to ovate, 7-10(-15) × (3.5-)4-7 cm, papery, base cordate or subcordate, margin serrate or crenate, apex acuminate; veins pubescent, usually with tufts of hairs on axils, villous on young leaves, midvein prominent on both sides, lateral veins 8-12, net veins slightly impressed adaxially and abaxially prominent. Inflorescence to 14 cm, yellowish villous. Flower ca. 1 mm in diam., pear-shaped. Calyx lobes obovate-deltoid, margin entire. Petals obovate, as long as calyx, gray-green, margin entire. Stamens 5; filaments 0.3-1.5 mm; anthers 0.6-0.7 mm. Ovary 1-locular with 1 ovule. Fruit subglobose to ellipsoid, ca. 7 mm in diam. Fl. Mar-Apr, fr. May.
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