Salix babylonica a gold-yellow in autumn. The flowers are arranged in catkins produced early in the spring; it is dioecious, with the male and female catkins on separate trees. "Salix babylonica" was described and named scientifically by Carolus Linnaeus in 1736, who knew the species as the pendulous-branched ("weeping") variant then recently introduced into the Clifford garden in Hartekamp in The Netherlands. Early Chinese cultivar selections include the original weeping willow, "Salix babylonica" 'Pendula', in which the branches and twigs are strongly pendulous, which was presumably spread along ancient trade routes. These distinctive trees were subsequently introduced into England from Aleppo in
Salix drummondiana deposited in a new area. This willow is an important winter food for moose in many areas, and beavers use it for food and to build their dams. Salix drummondiana Salix drummondiana is a species of willow known by the common name Drummond's willow. It is native to western North America from Yukon and the Northwest Territories in the north to California and New Mexico in the south. It is a resident of moist mountain habitats, including forests, riverbanks, and floodplains. "Salix drummondiana" is a shrub growing one to five meters tall. Its brittle branches are hairless to velvety when