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''Packera aurea'' (formerly ''Senecio aureus''), commonly known as golden ragwort or simply ragwort, is a perennial flower in the family Asteraceae. It is also known as golden groundsel, squaw weed, life root, golden ''Senecio'', uncum, uncum root, waw weed, false valerian, cough weed, female regulator, cocash weed, ragweed, staggerwort, and St. James wort. It is native to eastern North America, from Labrador to Minnesota and from North Carolina to Arkansas (with additional populations in the panhandle of Florida).〔(【引用サイトリンク】 Flora of the Carolinas, Virginia, and Georgia, and Surrounding Areas )〕 ==Constituents== Active compounds include: *Pyrrolizidine alkaloids (PAs) florosenine, otosenine, and floridanine. *Eremophilane sesquiterpenes, such as trans-9-oxofuranoeremophilane, 8x-ethoxy-l0x-H-eremophilane, and caccalol. Image:Golden Ragwort Senecio aureus Flower 2184px.jpg|Flower Image:Golden Ragwort Senecio aureus Buds 991px.jpg|Buds Image:GoldenRagwort1.JPG|Young flowers Image:Packera aureus leaves.jpg|Leaves (in summer) 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「Packera aurea」の詳細全文を読む スポンサード リンク
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