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
Caloptilia stigmatella Caloptilia stigmatella Caloptilia stigmatella is a moth of the Gracillariidae family. It is known from the Holarctic Region, including all of Europe (except the Balkan Peninsula). The wingspan is . Adults are on wing in late June and July, and again from September onwards. The larvae feed on "Myrica gale", "Populus alba", "Populus candicans", "Populus canescens", "Populus nigra", "Populus tremula", "Salix alba", "Salix aurita", "Salix babylonica", "Salix cinerea", "Salix dasyclados", "Salix elaeagnos", "Salix fragilis", "Salix glaucosericea", "Salix lanata", "Salix magnifica", "Salix myrsinifolia", "Salix pentandra", "Salix purpurea", "Salix repens", "Salix sitchensis", "Salix spadicea", "Salix x stipularis", "Salix triandra", "Salix udensis" and