白柳，中药名。为杨柳科柳属植物白柳SalixalbaL.的叶、芽或根。分布于新疆，甘肃、青海、西藏等地。具有清热解毒，祛风除湿之功效。常用于急性扁桃体炎，咽喉炎，腺腮炎，黄疸性肝炎，盆腔炎，肾炎，疮疖，风湿性关节炎，类风湿性关节炎。
Bai-liu, name of Chinese Medicinal Material. White Willow). The leaves, buds, or roots of the plant Salix alba L. of the willow family. It is distributed in Xinjiang, Gansu, Qinghai, Tibet, and other regions. It has the functions of clearing heat, detoxifying, dispelling wind, and removing dampness. It is commonly used for acute tonsillitis, pharyngitis, mumps, jaundice hepatitis, pelvic inflammatory disease, nephritis, ulcers, rheumatoid arthritis, and ankylosing spondylitis.

功效作用 功能
The efficacy and functions.

清热解毒，祛风除湿。主治
Clearing heat and detoxifying, dispelling wind and removing dampness. Used to treat...

用于急性扁桃体炎，咽喉炎，腺腮炎，黄疸性肝炎，盆腔炎，肾炎，疮疖，风湿性关节炎，类风湿性关节炎。用法用量
Used for acute tonsillitis, pharyngitis, mumps, jaundice hepatitis, pelvic inflammatory disease, nephritis, ulcers, rheumatoid arthritis, and ankylosing spondylitis. Dosage and administration.

9-15g。植物学信息 植物种属
9-15g. Botanical information: Genus and species of the plant.

杨柳科柳属植物白柳。形态特征
The white willow is a plant of the willow family (Salicaceae). It has the following morphological characteristics:

乔木，高达20(25)米，胸径达1米。树冠开展；树皮暗灰色，深纵裂；幼枝有银白色绒毛，老枝无毛，淡褐色。芽贴生，长6毫米，宽1.5毫米，急尖。叶披针形、线状披针形、阔披针形、倒披针形或倒卵状披针形，长5-12(15)厘米，宽1-3(3.5)厘米，先端渐尖或长渐尖，基部楔形，幼叶两面有银白色绢毛，成叶上面常无毛，下面稍有绒毛或近无毛，侧脉12-15对，成30-45度角开展，边缘有细锯齿；叶柄长0.2-1厘米，有白色绢毛；托叶披针形，有伏毛，边缘有腺点，早脱落。花序与叶同时开放，有梗，梗长5-8毫米，基部有长圆状倒卵形小叶，轴有密白色绒毛；雄花序长3-5厘米，花药鲜黄色，较疏，雄蕊2离生，花丝基部有毛；苞片卵状披针形、或倒卵状长圆形，淡黄色，全缘、内面无毛，外面近无毛或基部有疏毛，有缘毛；腺体2，背生和腹生；雌花序长3-4.5厘米，花较疏，子房卵状圆锥形，长4.5-5毫米，有短柄或近无柄，无毛，花柱短，常2浅裂，柱头2裂；苞片披针形，或卵状披针形，全缘，淡黄色，内面有白色绵毛，外面仅基部有白色绵毛，有缘毛，早脱落；腺体1，腹生，稀有1不发达的背腺。果序长3-5.5厘米。花期4-5月，果期5月。分布区域
Qiao tree, reaching a height of 20 (25) meters, with a diameter at breast height of 1 meter. The crown is expansive; the bark is dark gray and deeply furrowed; the young branches have silver-white hairs, while the old branches are hairless and pale brown. The buds are appressed, 6 millimeters long, 1.5 millimeters wide, and sharply pointed. The leaves are lanceolate, linear-lanceolate, broadly lanceolate, inversely lanceolate, or inversely ovate-lanceolate, 5-12 (15) centimeters long, 1-3 (3.5) centimeters wide, gradually pointed or long-pointed at the apex, and cuneate at the base. The young leaves have silver-white silky hairs on both surfaces, while the mature leaves are often hairless on the upper surface, slightly hairy or nearly hairless on the lower surface, with 12-15 pairs of lateral veins spreading at 30-45 degrees, and finely serrated margins. The petiole is 0.2-1 centimeter long, with white silky hairs; the stipules are lanceolate, with appressed hairs, glandular margins, and early abscission. The inflorescence opens simultaneously with the leaves, with a peduncle 5-8 millimeters long, bearing oblong-ovate small leaves at the base and dense white hairs on the axis; the male inflorescence is 3-5 centimeters long, with bright yellow anthers, relatively sparse, 2 stamens free, and hairy at the base of the filaments; the bracts are ovate-lanceolate or oblong-ovate, pale yellow, entire, hairless on the inner surface, nearly hairless on the outer surface or sparsely hairy at the base, with ciliate margins; 2 glands, dorsal and ventral; the female inflorescence is 3-4.5 centimeters long, with relatively sparse flowers, an ovate-conical ovary 4.5-5 millimeters long, shortly stalked or nearly sessile, hairless, and a short style, often 2-lobed, with 2-lobed stigmas; the bracts are lanceolate or ovate-lanceolate, entire, pale yellow, with white woolly hairs on the inner surface, only white woolly hairs at the base on the outer surface, and ciliate margins, early abscission; 1 gland, ventral, rarely 1 undeveloped dorsal gland. The fruiting inflorescence is 3-5.5 centimeters long. Flowering occurs from April to May, and fruiting occurs in May. Distribution area: [missing information]

产于新疆，甘肃、青海、西藏等省区有栽培。生长环境
Originating in Xinjiang, it is also cultivated in provinces and regions such as Gansu, Qinghai, and Tibet. It thrives in a specific natural environment.

生于沿河生长，可以分布到海拔3100米。
Born and grown along the river, it can be distributed up to an altitude of 3100 meters.