Shrubs to 2 m tall; bark gray-brown, smooth. Branchlets thin, glabrous, slightly yellow, black spotted; juvenile branchlets green-yellow. Buds ovoid; scales brown-yellow, glabrous. Petiole 1.5-2 mm, glabrous; leaf blade linear-lanceolate, broadest at middle, 3.5-4.5 × 7-8 mm, abaxially pale, adaxially green, both surfaces glabrous, base cuneate, margin loosely obtusely serrate, apex obtusely acute. Male catkin oblong to shortly terete, 1-2 cm × 6-7 mm; peduncle short, with 1 or 2 scalelike leaflets; bracts russet, obdeltoid, ca. 1 mm, ciliate, villous proximally abaxially, apex truncate. Male flower: gland adaxial, terete, ca. 0.3 mm; stamens coadnate; filament 1, villous at base; anther red, ovoid, 4-loculed. Female catkin terete, 1-2.5 cm × 3.5-5 mm; bracts spatulate, ca. 1.4 mm, villous-ciliate proximally abaxially, apex subtruncate. Female flower: gland 1, shortly terete, ca. 0.4 mm; ovary ovoid or ellipsoid, 1.2-1.5 mm, pubescent, shortly stipitate; style absent; stigma 2-lobed. Fl. Apr, fr. May.
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