丝毛柳Salix luctuosa Lévl.
丝毛柳Salix luctuosa Lévl.
75．丝毛柳（中国高等植物图鉴）图版48：1-4
Salix luctuosa Levl. in Fedde, Rep. Sp. Nov. 13: 342. 1914; Schneid. in Sarg. Pl. Wils. 3: 119. 1916; Hao in Fedde, Rep. Beih. 93: 78. 1936; 中国高等植物图鉴1: 366.图732. 1972; 西藏植物名录, 47. 1980. ——S. dyscrita Schneid. 1. c. 53. 1916.
灌木，高1.5-3米，枝条直立。小枝初有丝状绒毛，老枝无毛或近无毛，绿褐色或黑褐色，有光泽。叶椭圆形或狭椭圆形，长1-4厘米，宽5-15毫米，上面绿色，无毛或仅中脉有毛，下面初有绢质柔毛，后近无毛，但中脉仍有毛，两端钝，全缘；叶柄长1-3毫米，有疏柔毛。雄花序长3-4.5厘米，粗6-9毫米，有花序梗，基部有3-4小叶，轴具疏长柔毛，花密生；雄蕊2,花丝中部以下有长柔毛，花药黄色，广椭圆形；苞片宽卵形，黄绿色或上部褐色，具长缘毛，或外面近无毛；腹腺1,背腺有或无，长椭圆形；雌花序长3厘米，粗约6毫米，具花序梗，基部有3小叶；子房卵形，无毛，无柄或近无柄，花柱先端2裂，柱头小；苞片卵形，有长柔毛；仅1腹腺。果序长可达5厘米，蒴果长约3毫米。花期4月，果期4-5月。
产西藏东部、云南、四川、陕西（太白山）等。生于海拔1500-3200米间的河边、山沟及山坡等处。模式标本采自云南省巧家县乔麦地。
《Flora of China》 Vol. 4 (1999)
Salix luctuosa H. Léveillé
丝毛柳 si mao liu
Salix dyscrita C. K. Schneider; S. huiana Goerz; S. huiana var. tricholepis Goerz.
Shrubs to 3 m tall. Branches erect; branchlets greenish brown or dark brown, silky tomentose when young, glabrescent or subglabrous, shiny. Petiole 1-3 mm, pilose; leaf blade elliptic or narrowly elliptic, 1-4 × 0.5-1.5 cm, abaxially silky downy at first, becoming subglabrous except along midvein, adaxially green, glabrous or pilose along midvein, both ends obtuse, margin entire. Male catkin 3-4.5 cm × 6-9 mm; peduncle with 3 or 4 leaflets; rachis villous, densely flowered; bracts yellowish green or distally brown, broadly ovate, long ciliate or abaxially subglabrous. Male flower: gland adaxial, abaxial gland sometimes absent; stamens 2; filaments basally villous; anthers yellow, ovoid. Female catkin ca. 3 cm × 6 mm, to 5 cm in fruit; peduncle with 3 leaflets; bracts ovate, villous. Female flower: gland adaxial; ovary ovoid, glabrous, sessile or subsessile; style 2-cleft; stigma small. Capsule ca. 3 mm. Fl. Apr, fr. Apr-May.
* Near water, mountain slopes, valleys; 1500-3200 m. Guizhou (Fanjing Shan), SW Shaanxi (Taibai Shan), Sichuan, E Xizang, Yunnan
别名：光果柳;清溪构;清溪柳;
科名：杨柳科 Salicaceae
属名：柳属 Salix
75．丝毛柳（中国高等植物图鉴）图版48：1-4
Salix luctuosa Levl. in Fedde, Rep. Sp. Nov. 13: 342. 1914; Schneid. in Sarg. Pl. Wils. 3: 119. 1916; Hao in Fedde, Rep. Beih. 93: 78. 1936; 中国高等植物图鉴1: 366.图732. 1972; 西藏植物名录, 47. 1980. ——S. dyscrita Schneid. 1. c. 53. 1916.
灌木，高1.5-3米，枝条直立。小枝初有丝状绒毛，老枝无毛或近无毛，绿褐色或黑褐色，有光泽。叶椭圆形或狭椭圆形，长1-4厘米，宽5-15毫米，上面绿色，无毛或仅中脉有毛，下面初有绢质柔毛，后近无毛，但中脉仍有毛，两端钝，全缘；叶柄长1-3毫米，有疏柔毛。雄花序长3-4.5厘米，粗6-9毫米，有花序梗，基部有3-4小叶，轴具疏长柔毛，花密生；雄蕊2,花丝中部以下有长柔毛，花药黄色，广椭圆形；苞片宽卵形，黄绿色或上部褐色，具长缘毛，或外面近无毛；腹腺1,背腺有或无，长椭圆形；雌花序长3厘米，粗约6毫米，具花序梗，基部有3小叶；子房卵形，无毛，无柄或近无柄，花柱先端2裂，柱头小；苞片卵形，有长柔毛；仅1腹腺。果序长可达5厘米，蒴果长约3毫米。花期4月，果期4-5月。
产西藏东部、云南、四川、陕西（太白山）等。生于海拔1500-3200米间的河边、山沟及山坡等处。模式标本采自云南省巧家县乔麦地。
《Flora of China》 Vol. 4 (1999)
Salix luctuosa H. Léveillé
丝毛柳 si mao liu
Salix dyscrita C. K. Schneider; S. huiana Goerz; S. huiana var. tricholepis Goerz.
Shrubs to 3 m tall. Branches erect; branchlets greenish brown or dark brown, silky tomentose when young, glabrescent or subglabrous, shiny. Petiole 1-3 mm, pilose; leaf blade elliptic or narrowly elliptic, 1-4 × 0.5-1.5 cm, abaxially silky downy at first, becoming subglabrous except along midvein, adaxially green, glabrous or pilose along midvein, both ends obtuse, margin entire. Male catkin 3-4.5 cm × 6-9 mm; peduncle with 3 or 4 leaflets; rachis villous, densely flowered; bracts yellowish green or distally brown, broadly ovate, long ciliate or abaxially subglabrous. Male flower: gland adaxial, abaxial gland sometimes absent; stamens 2; filaments basally villous; anthers yellow, ovoid. Female catkin ca. 3 cm × 6 mm, to 5 cm in fruit; peduncle with 3 leaflets; bracts ovate, villous. Female flower: gland adaxial; ovary ovoid, glabrous, sessile or subsessile; style 2-cleft; stigma small. Capsule ca. 3 mm. Fl. Apr, fr. Apr-May.
* Near water, mountain slopes, valleys; 1500-3200 m. Guizhou (Fanjing Shan), SW Shaanxi (Taibai Shan), Sichuan, E Xizang, Yunnan