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Micranthes petiolaris : ウィキペディア英語版 | Micranthes petiolaris
''Micranthes petiolaris'', commonly known as cliff saxifrage, is a species of flowering plant in the Saxifrage family. It is native to the Southern Appalachian Mountains where it is found on exposed boulders and rocky seeps, often at high elevation.〔(Flora of North America )〕 It is a perennial that produces small white flowers with yellow spots in the summer. Recent genetic studies have shown is more closely related to arctic species of ''Micranthes'' than to the other species of the Southern Appalachians. This indicates that it did not evolve within the other southern ''Micranthes'', but migrated to the southern Appalachians from the north, possibly during glacial periods.〔(''A systematic study of the flowering plant genus Micranthes (Saxifragaceae) in the southern Appalachians'' Lanning, 2009 )〕 ==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「Micranthes petiolaris」の詳細全文を読む
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