Salix babylonica but beyond China, it has not generally been as successfully cultivated as some of its hybrid derivatives, being sensitive to late-spring frosts. In the more humid climates of much of Europe and eastern North America, it is susceptible to a canker disease, willow anthracnose ("Marssonina salicicola"), which makes infected trees very short-lived and unsightly. "Salix babylonica" (Babylon willow) has many cultivars, including: Various cultivars of "Salix matsudana" (Chinese willow) are now often included within "Salix babylonica", treated more broadly, including: Yet other weeping willow cultivars are derived from interspecific "Salix" hybrids, including "S. babylonica" in their parentage. The most widely
Salix amygdaloides Salix amygdaloides Salix amygdaloides, the peachleaf willow, is a species of willow native to southern Canada and the United States, from Quebec west to western British Columbia, southeast to eastern Kentucky, and southwest and west to Arizona and Nevada, respectively. It is a small to medium-sized deciduous tree, growing to tall; besides the cottonwoods, it is the largest tree native to the prairies. It has a single trunk, or sometimes several shorter trunks. The leaves are lanceolate, long and wide, yellowish green with a pale, whitish underside and a finely serrated margin. The flowers are yellow catkins, long, produced in