Shrubs to 2.5 m tall. Branchlets purplish brown or slightly blackish, villous or pilose when young, glabrescent. Petiole 4-10 mm, pilose; leaf blade elliptic to oblong, 2-4.5(-8) × 1-1.5(-2) cm, both surfaces glabrous, or pilose when young, rarely tomentose abaxially, base rounded, margin entire, apex acute or obtuse. Male catkin cylindric, 1-1.5 cm × ca. 6 mm; peduncle short or absent, with 2 leaflets; rachis villous; bracts yellowish brown, broadly ovate, 1/3-1/2 as long as filaments, glabrous, apex rounded or truncate. Male flower: gland adaxial; stamens 2; filaments villous at base; anthers yellow. Female catkin 1.2-2.5 cm × 3(-4) mm; peduncle with 2 or 3 leaflets; rachis pilose; bracts brown, broadly ovate, glabrous, or pilose abaxially, apex obtuse. Female flower: adaxial gland ovate or quadrangular; ovary ovoid, glabrous, sessile; style short, 2-cleft; stigma 2-lobed. Fl. Mar, fr. Apr-May.
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