Shrubs or trees to 5 m tall; bark yellowish gray or brownish gray, smooth. Branchlets brown tomentose in winter, glabrescent in spring. Buds ca. 8 mm, tomentose. Petiole 2-3 mm; leaf blade lanceolate, rarely oblong-ovate or oblong-obovate, 3-5(-12) × 1-1.5(-2.2) cm, glabrous, abaxially greenish, adaxially dull green, base broadly cuneate, margin glandular serrate, apex shortly acuminate to caudate-acuminate. Male catkin 2-2.5(-3) cm; peduncle 5-8 mm, with 2 or 3 leaflets; rachis pilose; bracts obovate, ca. 2 mm, with long hairs. Male flower: stamens 3, with long hairs at base; glands adaxial and

abaxial. Female catkin 2.5-3 cm, 3-3.5 cm in fruit; peduncle 1-1.5 cm, with 2 or 3 obovate leaflets; bracts oblong, 2-3 mm, abaxially with sparse hairs, adaxially glabrous. Female flower: gland adaxial; ovary conical-ovoid, ca. 5 mm, glabrous; stipe 1-1.5 mm; style short; stigma forked. Fl. Mar, fr. Apr.

* Sichuan