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Berberis canadensis : ウィキペディア英語版 | Berberis canadensis
''Berberis canadensis'', commonly known as the American barberry or Allegheny barberry, is a member of the family Berberidaceae. ''Berberis canadensis'' is the only simple-leaved ''Berberis'' indigenous to the United States. The epithet "canadensis" literally means "Canadian" but was often used by 18th-Century botanists to refer to any plants growing in northeastern North America ==Morphology==
''Berberis canadensis'' is a deciduous shrub, which grows, on average 1 meter in height, sometimes reaching as high as 2 meters. It spreads by rhizomes, forming large stands of clones. Rhizomes enable the plant to absorb more nutrients from the soil. This enables the species to grow in relatively dry environments. Stems of ''Berberis canadensis'' are hairless, not extensively branched, and range in color from green, purple, red, to brown. Stems also grow in a dimorphic fashion.〔(Pollen Library )/〕 The leaves on the shrub are arranged in an alternate pattern with petioles 8 mm in length and covered in a white waxy coating known as glaucose.〔(Encyclopedia of Life )〕 In addition, leaves are thin and smooth and ovate in structure. A seemingly random venation pattern is visible on the underside of the leaves.
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「Berberis canadensis」の詳細全文を読む
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