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Geum
''Geum'' ,〔''Sunset Western Garden Book,'' 1995:606–607〕 commonly called avens, is a genus of about 50 species of rhizomatous perennial herbaceous plants in the rose family, widespread across Europe, Asia, North and South America, Africa, and New Zealand. They are closely related to ''Potentilla'' and ''Fragaria''. From a basal rosette of leaves, they produce flowers on wiry stalks, in shades of white, red, yellow, and orange, in midsummer. ''Geum'' species are evergreen except where winter temperatures drop below . The cultivars "Lady Stratheden"〔(【引用サイトリンク】url=http://apps.rhs.org.uk/plantselector/plant?plantid=874 )〕 and "Mrs J. Bradshaw"〔(【引用サイトリンク】url=http://apps.rhs.org.uk/plantselector/plant?plantid=876 )〕 have gained the Royal Horticultural Society's Award of Garden Merit. ''Geum'' species are used as food plants by the larvae of some Lepidoptera species including Grizzled Skipper. ==Selected species==
For a more detailed list see List of ''Geum'' species.
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「Geum」の詳細全文を読む
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