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''Salix lucida'' (shining willow, Pacific willow, or whiplash willow) is a species of willow native to northern and western North America, occurring in wetland habitats.〔Germplasm Resources Information Network: (''Salix lucida'' )〕〔Jepson Flora: (''Salix lucida'' )〕〔Plants of British Columbia: (''Salix lucida'' )〕 It is a deciduous large shrub or small tree growing to tall. The shoots are greenish-brown to grey-brown. The leaves are narrow elliptic to lanceolate, 4–17 cm long and 1-3.5 cm broad, glossy dark green above, usually glaucous green below, hairless or thinly hairy. The flowers are yellow catkins 1–9 cm long, produced in late spring after the leaves emerge.〔〔〔Northern Prairie Wildlife Research Center: (''Salix lucida'' )〕 The subspecies are:〔〔〔 *''S. l. lucida'' - shining willow, Newfoundland west to eastern Saskatchewan, and south to Maryland and South Dakota *''S. l. lasiandra'' (Benth.) E.Murray (syn. ''S. lasiandra'' Benth.) - Pacific willow, Alaska east to Northwest Territory, and south to California and New Mexico. *''S. l. caudata'' (Nutt.) E.Murray - whiplash willow, interior western North America from eastern British Columbia south to eastern California and Nevada, included in ''S. l. lasiandra'' by some authors. It is closely related to ''Salix pentandra'' of Europe and Asia.〔Bean, W. J. (1980). ''Trees and Shrubs Hardy in the British Isles'' 8th ed., vol. 4. John Murray ISBN 0-7195-2428-8.〕 ==References== 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 lucida」の詳細全文を読む スポンサード リンク
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