蒿柳Salix viminalis Linn.

科名：杨柳科 Salicaceae

属名：柳属 Salix

《中国植物志》第20(2)卷327页
  212. 蒿柳、绢柳（东北）　清钢柳（中国树木分类学）
  Salix viminalis L. Sp. Pl. 1021. 1753; Schneid. in Sarg. Pl. Wils. 3: 157. 1916; Nakai, Fl. Sylv. Kor. 18: 175. t. 41. 1930; Hao in Fedde, Rep. Beih. 93: 98. 1936; Nas. in Kom. Fl. URSS, 5: 132. 1936; Rehd. Man. Cult. Trees and Shrubs, ed 2. 108. 1940; 刘慎谔等, 东北木本植物图志, 165, 图版50: 1, 8, 图版51: 72. 1955; 中国高等植物图鉴, 1: 369, 图738. 1972; Kitag. Neo-Lineam. Fl. Mansh. 210. 1979. ——S. schwerinii E. Wolf in Mitt. Deutsch. Dendrol. Ges. 407. 1929; Hao 1. c., 98. 1936. ——S. dailingensis Y. L. Chou et C. Y. King, 植物分类学报, 12(1): 9-10. 图版3. 1974, pl. monstr.

《Flora of China》 Vol. 4 (1999)
Salix schwerinii  E. L. Wolf
蒿柳   hao liu
Salix dailingensis Y. L. Chou & C. Y. King; S. gmelinii Pallas; S. viminalis Linnaeus var. gmelinii Turczaninow.
Shrubs or small trees, to 10 m tall; bark grayish green. Branchlets glabrous or pubescent, usually gray pubescent when young. Buds yellow or russetish, ovoid-oblong, pilose. Stipules narrowly lanceolate or falcate, margin dentate; petiole 5-12 mm, silky pubescent; leaf blade linear-lanceolate, 15-20 cm, abaxially densely long silky pubescent, silvery shiny, adaxially dull green, glabrous or slightly pubescent, base narrowly cuneate, margin entire or slightly sinuolate, sometimes revolute, apex acuminate or acute. Flowering precocious or coetaneous. Male catkin oblong-ovoid, 2-3 × ca. 1.5 cm, sessile; bracts brownish, oblong-ovate, with long, loose hairs or pubescent, apex black, obtuse or acute. Male flower: gland 1; stamens 2; filaments distinct, rarely united at base, glabrous; anthers golden yellow, becoming brown. Female catkin terete, (2-)3-4 cm; bracts as in male catkin. Female flower: gland as in male flower; ovary ovoid or ovoid-conical, densely silky pubescent, sessile or subsessile; style 0.3-2 mm, ca. 1/2 as long as ovary, longer than stigma; stigma 2-cleft or subentire. Fl. Apr-May, fr. May-Jun. 2n = 38.
Streamsides, riverbanks; 300-600 m. Hebei, Heilongjiang, Jilin, Liaoning, E Nei Mongol [Japan, Korea, Mongolia, Russia (Far East, E Siberia)]