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''Eupatorium hyssopifolium'', also known as Hyssopleaf thoroughwort, is a fall-blooming herbaceous plant native to North America.〔(【引用サイトリンク】 ''Eupatorium hyssopifolium'' )〕 Like other members of the genus ''Eupatorium'' it has inflorescences containing a large number of very small flower heads, each with 5 white disc florets but no ray florets.〔(【引用サイトリンク】 ''Eupatorium'' )〕 At 0.5 to one meter (20-40 inches) tall,〔 it is towards the shorter end of the range of heights found in ''Eupatorium'' species.〔 Plants which are classified as ''E. hyssopifolium'' can be either diploid or polyploid, and some of them seem to have been the result of past hybridizations with ''Eupatorium serotinum''. Hybrids with ''E. album'' and ''E. linearifolium'' also seem to exist. The hybrid ''E. torreyanum'' is similar to ''E. hyssopifolium'' but is a hybrid of ''E. serotinum'' and ''Eupatorium mohrii''.〔 ''Eupatorium hyssopifolium'' is found in much of the eastern and south-central United States, from Massachusetts west to Wisconsin, and as far south as Texas and Florida.〔〔(【引用サイトリンク】 Eupatorium hyssopifolium )〕 It grows in moist soils.〔 ;Varieties〔 *''Eupatorium hyssopifolium'' var. ''hyssopifolium'' - leaves 2-5 mm wide *''Eupatorium hyssopifolium'' var. ''laciniatum'' A.Gray - leaves 5-15 mm wide == Uses == ''Eupatorium hyssopifolium'' can be used medicinally (applied externally for insect and reptile bites).〔(【引用サイトリンク】 Eupatorium hyssopifolium )〕 It can also be planted near crops to attract beneficial insects. 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 hyssopifolium」の詳細全文を読む スポンサード リンク
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