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 tetrasperma and southeastern Asia, including India, Pakistan, Nepal, Laos, and Thailand. In Manipur, in NE India, the new flowers of Indian willow, locally known as ঊযুম ("ooyum") are eaten, and are considered delicious. In Maharashtra, this tree is called "walunj". It can be found in Pune, Satara, Sangli, and Kolhapur. Salix tetrasperma Salix tetrasperma, commonly called Indian willow, is a medium-sized tree of wet and swampy places, shedding its leaves at the end of monsoon season. It flowers after leafing. The bark is rough, with deep, vertical fissures and the young shoots leaves are silky. The leaves are lance-like, or ovate-lancelike,