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Eupatorium capillifolium : ウィキペディア英語版 | Eupatorium capillifolium
''Eupatorium capillifolium'' (dogfennel) is a North American perennial herbaceous plant in the family sunflower family, native to the eastern and south-central United States.〔(【引用サイトリンク】 work = PLANTS )〕 It is generally between 50 cm and 2 meters tall with several stems that fork from a substantial base. The stems and base are covered in leaves so dissected that they resemble branching green threads coming out of the stem in fractal patterns. When crushed, the leaves and flowers smell rather unpleasant.〔 == Classification == Dogfennel is closely related to ''Eupatorium compositifolium'' (yankeeweed) and ''Eupatorium leptophyllum'' and some authors consider all of them varieties of ''E. capillifolium''. Others maintain them as three species but consider them a related group, known as dogfennels or the ''Traganthes'' group. They all are characterized by dissected 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「Eupatorium capillifolium」の詳細全文を読む
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