Trees to 20 m tall, andromonoecious. Bark gray. Branchlets slender, glabrous; winter buds subglobose, scales 4 pairs. Leaves deciduous; petiole 4-6 cm, slender, glabrous; leaf blade abaxially pale green, adaxially dark green, oblong, (8-)9-11(-12) × (4-)6-8(-12) cm, papery, abaxially glabrous except for yellowish or whitish hairs on veins or at vein axils, sometimes abaxially pubescent, adaxially glabrous, base truncate, subtruncate, or hastate, 3-, 5-, 7-, or 9-lobed; lobes triangular or ovate, margin entire, apex acuminate or subcaudate-acuminate. Inflorescence terminal, paniculate-corymbose, ca. 4 × 4 cm, glabrous, numerous flowered; peduncles 1-2 cm. Pedicel ca. 1 cm, glabrous. Sepals 5, greenish yellow, oblong, 2-8 mm, ciliate, apex obtuse. Petals 5, whitish, elliptic or elliptic-obovate, ca. 3 mm. Stamens 8, shorter than petals, glabrous. Ovary glabrous or glabrescent, rudimentary in staminate flowers; style very short, glabrous; stigmas revolute. Fruit yellowish when mature; nutlets flat, compressed, 1-1.3 cm × 8-10 mm; wing oblong, including nutlet 3-3.5 × 1-1.5 cm, wings spreading variously. Fl. Apr-May, fr. Sep. 2n = 26.
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A tree. It grows 10-20 m tall and spreads 10-13 m wide. It loses its leaves during the year. The leaves are 9-11 cm long by 6-8 cm wide. The are pale green underneath. There are several flowers in a group at the ends of the branches. The sepals and yellow and the petals are white.
Hillsides, mountain valleys and forests from sea level to 1,800 metres in China. Usually on coastal hills exposed to sea breezes and marshy sites in the mountains or on dry ridges, but not in fertile well-drained soils.
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It is a temperate plant. In China it grows from sea level to 3,300 m above sea level. It suits hardiness zones 5-8.
Can be grown by cuttings, graftings or seedlings. Seeds needs scarification and soaking.
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