崖柳 ya liu

Salix floderusii Nakai f. manshurica Nakai; S. xerophila Floderus f. manshurica (Nakai) Kitagawa.

Shrubs, rarely small trees. Branchlets white tomentose when young, glabrescent. Buds pilose. Stipules ovate-elliptic or ovate-lanceolate, small (large on shoots), pilose, deciduous; petiole 4-10 mm; leaf blade long elliptic, lanceolate-elliptic, or obovate-elliptic, rarely oblanceolate, 4-6(-7) × 1.5-2.5 cm, abaxially greenish, silky tomentose or white tomentulose, slightly shiny, adaxially dull green, tomentose, when mature usually subglabrous or slightly pubescent, base rounded or broadly cuneate, margin subentire, rarely dentate, apex acute or shortly acuminate. Flowering precocious or nearly coetaneous. Male catkin sessile; bracts brown, ovate-elliptic, 2.5-2.7 cm, apex dark brown or nearly black, villous. Male flower: gland 1; stamens 2, glabrous; anthers yellow. Female catkin 3.5(-6) cm, pedunculate, elongated in fruit; bracts oblong, 1.4-1.7 mm, villous. Female flower: gland 1; ovary narrowly ovoid-conical, (4-)5-7 mm, sericeous; stipe ca. 5.5 mm, 6-10 × as long as gland; style conspicuous; stigma 2-parted. Capsule ovoid-conical, sericeous. Fl. May. fr. Jun.

Marshes, damp mountain slopes. N Hebei, Heilongjiang, Jilin, Liaoning, E Nei Mongol, Shanxi [Korea, E Russia]