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''Salix babylonica'' (Babylon willow or weeping willow; Chinese: 垂柳) is a species of willow native to dry areas of northern China, but cultivated for millennia elsewhere in Asia, being traded along the Silk Road to southwest Asia and Europe.〔Flora of China: (''Salix babylonica'' )〕〔Germplasm Resources Information Network: (''Salix babylonica'' )〕 ==Description== ''Salix babylonica'' is a medium- to large-sized deciduous tree, growing up to tall. It grows rapidly, but has a short lifespan, between 40 to 75 years. The shoots are yellowish-brown, with small buds. The leaves are alternate and spirally arranged, narrow, light green, 4-16 cm long and 0.5-2 cm broad, with finely serrate margins and long acuminate tips; they turn 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.〔〔Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening''. Macmillan ISBN 0-333-47494-5.〕 File:Saule pleureur chaton.jpg|Male flowers of ''Salix babylonica'' Image:Willow Salix babylonica.jpg|Pendulous branchlets of ''Salix babylonica'' File:Salix babylonica2.jpg|Bark of ''Salix babylonica'' File:SalixBabylonicaLeaf.jpg|Leaves of ''Salix babylonica'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Salix babylonica」の詳細全文を読む スポンサード リンク
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