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''Juncus cooperi'' is a species of rush known by the common name Cooper's rush. It is native to the deserts of the southwestern United States and northern Mexico, where it grows in alkaline and saline soils such as those around salt marshes and desert springs. This is a perennial herb forming large clumps of erect stems up to about 80 centimeters tall from a thick rhizome and large root network. The bases of the stems are surrounded by sparse, small leaves, which are stiff and have sharp tips. The inflorescence is a cluster of brown, pale green, or straw-colored flowers accompanied by one bract which appears as an extension of the stem. ==External links== *(Jepson Manual Treatment ) *(USDA Plants Profile ) *(Flora of North America ) *(Photo gallery ) 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「Juncus cooperi」の詳細全文を読む スポンサード リンク
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