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大叶金丝垂柳是金丝垂柳栽培种群中演化出来的一个新品系。该树种适应性强,生长迅速,很耐水湿。树形优美,繁殖容易,是水乡、平原、低湿地的重要造林树种,也是通道工程、水土保持(特别是护堤岸)和城乡庭院、街道绿化的优良树种。大叶金丝垂柳属亚乔木,杨柳科。生长快,树高可达14米以上。其根系发达,树干通直,树叶繁茂,枝条细长,柔软下垂。小枝深绿色或灰褐色,成枝金黄色,分枝层次清晰。节间小,叶长10-14厘米,宽1.5-2厘米,叶柄长1-1.5厘米。该树种喜光,发芽早,落叶迟,抗寒性强,在极端气温摄氏零下40度和零上40度地带可正常生长(北植南移,气温越高长势越好)。耐水性强,短期水淹没顶不致死亡。生长速度快,一般管理下,两年生金丝垂柳的胸径可达3-4厘米。
Large weeping willows is a new line of evolved golden weeds. The tree adaptability, rapid growth, it is water-wet. Beautiful tree shape, easy propagation, is an important Afforestation tree species in the water plains, plains, low wetlands, but also the channel trees, soil and water conservation (especially the bank bank) and urban and rural courtyards, street greening fine tree species. Large leaves weeping willow is sub-arbor, Willow Branch. Grow fast, tree height up to 14 meters. Its root system developed, trunk straight, lush foliage, slender branches, soft sagging. Branchlets dark green or taupe, branches golden yellow, branches clear level. Internode small, leaf length 10-14 cm, width 1.5-2 cm, petiole length 1-1.5 cm. The species hi light, early germination, late leaf decay, cold resistance strong, in the extreme temperature of minus 40 degrees Celsius and 40 degrees above zero can be normal growth (North planting south, the higher the temperature the better.) Strong water resistance, short-term water inundation top will not die. Growth rate is fast, under general management, two-year-old golden weeping willow diameter up to 3-4 cm.