曲毛柳 qu mao liu

Salix allochroa C. K. Schneider.

Shrubs. Two-year-old branchlets glabrous; juvenile branchlets with filamentous hairs at base. Petiole to 2 cm, sometimes with 1-several glands; leaf blade oblong or obovate-elliptic, ca. 9 × 3.5 cm, abaxially greenish, adaxially green, both surfaces glabrous or subglabrous when mature, base cuneate to rounded, margin remotely crenate-serrulate, rarely subentire, apex obtuse or acute; lateral veins ca. 10 on each side of midvein. Catkins ca. 5 × 0.6 cm; peduncle ca. 3.5 cm, with leaflets; rachis villous; bracts ovate or oblong, 1-1.5 mm, sparsely pubescent, apex obtuse or rounded. Male flower: stamens 2; filaments distinct, basally villous; glands 2. Fruiting catkin to 10 × 1 cm. Female flower: adaxial gland broad, apex nearly truncate; ovary narrowly ovoid, ca. 1.5 mm, gray pubescent, sessile; style nearly 1 mm, 2-lobed; stigma short, 2-cleft. Capsule ca. 5 mm, pilose. Fl. Jun, fr. Jul.

* Mountains; 2200-2500 m. S Gansu, W Sichuan, E Xizang