Shrubs to 4 m tall. Branches gray; branchlets dull brown or brown, stout; juvenile branchlets downy. Petiole 2-5 mm, downy; leaf blade elliptic, rarely ovate, 2-4(-5) × 1.8-2.2 cm, abaxially whitish, glabrous except pubescent along midvein, adaxially dull green, base cuneate-rounded, margin serrulate or crenulate, rarely entire, apex acute; lateral veins ca. 10 on each side of midvein. Flowering coetaneous. Male catkin terete, ca. 2 cm × 4-5 mm; peduncle 4-8 mm, with 2 or 3 leaflets; bracts obovate-oblong, ca. 1 mm, pubescent. Male flower: gland adaxial; stamens 2, distinct, ca. 3 mm; filaments downy proximally; anthers golden yellow, subglobose. Female catkin shortly terete, ca. 2.5 cm × 9 mm, more than 1 cm thick in fruit; bracts oblong or obovate-oblong, ca. 2 mm, downy proximally on both surfaces. Female flower: adaxial gland narrowly ovate, ca. as long as stipe; ovary narrowly ovoid, ca. 2 mm, gray downy or glabrous; stipe ca. 0.5 mm; style ca. 0.5 mm; stigma capitate or 2-lobed. Capsule ovoid-conical, ca. 4.5-6 mm. Fl. Jun, fr. Jun-Jul.
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