灌西柳查看源代码讨论查看历史
| 灌西柳 |
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中文名:灌西柳 学 名:Salix macroblasta Schneid. 界:植物界 门:被子植物门 纲:双子叶植物纲 亚 纲:原始花被亚纲 目:杨柳目 科:杨柳科 属:柳属 种:灌西柳 |
灌西柳 , 产四川（灌县、宝兴）、甘肃等省。，生于海拔1600-2000米间的山脊、山坡、或灌丛中。灌木，高2-6米。幼枝具疏长柔毛，老时无毛，黄褐色。 [1]
灌西柳形态特征
灌木，高2-6米。幼枝具疏长柔毛，老时无毛，黄褐色。芽长圆形，黄红色，无毛或近无毛，常比叶柄长。
叶披针形或长圆状披针形，长1.4-4厘米，宽5-12毫米，最大者长可达5厘米，宽2厘米，先端急尖或渐尖，基部圆形或宽楔形，上面深绿色，下面苍白色，全缘；叶柄长1-3毫米，具疏柔毛。
花序圆柱形，长2.5-3厘米，粗约6毫米，密花，轴被长柔毛；花序梗明显，具4小叶，至果序时常脱落，子房卵状长圆形，近无柄，无毛，花柱很短，柱头先端微裂；腺体1，腹生，卵状长圆形；
苞片褐色，倒卵状长圆形，两面无毛。[2]
蒴果长圆形，长约4毫米。雄株未见。花期4-5月，果期5-6月。
Salix macroblasta Schneid. in Sarg. Pl. Wils. 3: 58. 1916; Hao in Fedde, Rep. Beih. 93: 76. t. 25: 49. 1936.
Shrubs to 6 m tall. Branchlets yellowish brown, sparsely villous when young, glabrescent. Buds yellowish red, oblong, usually longer than petiole, glabrous or subglabrous. Petiole 1-3 mm, pilose; leaf blade lanceolate or oblong-lanceolate, 1.4-4(-5) × 0.5-1.2(-2) cm, abaxially glaucous, adaxially dull green, base rounded or broadly cuneate, margin entire, apex acute or acuminate. Male catkin unknown. Female catkin cylindric, 2.5-3 cm × ca. 6 mm, densely flowered; peduncle conspicuous, with 4 leaflets often deciduous in fruit; rachis villous; bracts brown, obovate-oblong or obovate, glabrous. Female flower: adaxial gland ovate-oblong; ovary ovoid-cylindric, glabrous, subsessile; style very short; stigma lobed. Capsule oblong, ca. 4 mm. Fl. Apr-May, fr. Jun.
- Thickets on mountain slopes and ridges; 1600-2000 m. Gansu, Sichuan (Baoxing Xian, Guan Xian)
灌西柳生长环境
生长于海拔1600-2000米间的山脊、山坡、或灌丛中。