美国竹柳（America bamboo willow）

又名竹柳、速生竹柳，是杨柳科（Salicaceae）柳属植物。乔木，生长潜力大。树皮幼时绿色，光滑。顶端优势明显，腋芽萌发力强，分枝较早，侧枝与主干夹角30～45度。树冠塔形，分枝均匀。叶披针形，单叶互生，叶片长达15—22cm，宽3.5-6.2cm先端长渐尖，基部楔形，边缘有明显的细锯齿，叶片正面绿色，背面灰白色，叶柄微红、较短。 竹柳是新的柳树杂交品种。竹柳用途广泛，是工业原料林、中小径材栽培、行道树、园林绿化和农田防护林的理想树种。

Alsoknown as bamboo willow, fast-growing bamboo willow, is Salicaceae (Salicaceae)Salix species. Tree growth potential. The bark of green when young, smooth. Thetop of the obvious advantages, adorable bud force is powerful, early branching,lateral branch and trunk angle 30 ~ 45 degrees. Crown tower branched evenly.Lanceolate leaves, leaves alternate. The leaves up to 15 22cm wide 3.5-6.2cm,apex long acuminate, base cuneate, margin distinctly serrulate, leaf bladeadaxially green, abaxially gray white petiole, reddish, shorter. Willow HybridBamboo willow. The new bamboo willow is widely used, is industrial raw materialforest, small diameter timber cultivation, trees. The ideal species forlandscaping and farmland protection forest.