A deciduous tree to ca. 25 m. Buds densely brown tomentose. Leaves 15-30 cm; petiole 5-8 cm; leaflets 7-9; petiolule 0.5-1.5 cm; leaflet blade ovate-lanceolate to elliptic, 8-12(-15) × (1-)2-4(-6) cm, thin leathery, adaxially glabrous, abaxially glabrous or pilose along midrib, base broadly cuneate, oblique, margin serrate, serrulate, or basally entire, apex caudate-acuminate; primary veins 10-12 on each side of midrib. Panicles terminal, spreading, many flowered, 20-30 cm. Flowers appearing after leaves. Pedicel 3-4 mm. Calyx cupular, 1-1.5 mm; teeth broadly deltate. Corolla white; lobes oblong, (1.5-)3-4 mm, obtuse. Stamens exceeding corolla lobes. Samara linear, 2-4 cm × 4-5 mm; wing decurrent to about middle or distal part of nutlet. |
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