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Oxyria digyna : ウィキペディア英語版 | Oxyria digyna
''Oxyria digyna'' (mountain sorrel, wood sorrel, Alpine sorrel or Alpine mountain-sorrel) is a species of flowering plant in the Buckwheat Family (Polygonaceae).〔Sierra Nevada Wildflowers, Karen Wiese, 2nd ed., 2013, p. 108〕 It is native to Arctic regions and mountainous parts of the northern hemisphere. ==Description== Mountain sorrel is a perennial plant with a tough taproot that grows to a height of . It grows in dense tufts, with stems that are usually unbranched and hairless. Both flowering stems and leaf stalks are somewhat reddish. The leaves are kidney-shaped, somewhat fleshy, on stalks from the basal part of the stem. Flowers are small, green and later reddish, and are grouped in an open upright cluster. The fruit is a small nut, encircled by a broad wing which finally turns red.〔(【引用サイトリンク】title=Mountainsorrel: ''Oxyria digyna'' )〕 Forming dense, red tufts, the plant is easily recognized. ''Oxyria digyna'' grows in wet places protected by snow in winter. ''Oxyria'' (from Greek) means "sour".〔
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「Oxyria digyna」の詳細全文を読む
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