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''Sonchus oleraceus'', the common sowthistle, sow thistle,〔(''Sonchus oleraceus'' ) at Plants For A Future〕 smooth sow thistle, annual sow thistle, hare's colwort, hare's thistle, milky tassel, or swinies, is a plant in the dandelion tribe within the daisy family. ''Sonchus oleraceus'' is native to Europe and western Asia. The Latin name ''Sonchus'' refers to the hollow stem, while ''oleraceus'' refers to its good taste.〔(Arthur Lee Jacobson, Seattle Tilth newsletter Weed of the Month in May 1992, Sow Thistle; Sonchus oleraceus L. )〕 The common name sow thistle refers to its attractiveness to swine, and the similarity of the leaf to younger thistle plants. The common name hare's thistle refers to its purported beneficial effects on hare and rabbits. == Botanical characteristics == Prefers full sun, and can tolerate most soil conditions. The flowers are hermaphroditic, and common pollinators include bees and flies.() It spreads by seeds being carried by wind or water. This plant is considered an invasive species in many parts of the world, where it is found mostly in disturbed areas.〔(''Sonchus oleraceus'' ) at (Center for Aquatic and Invasive Plants )〕〔(Sonchus oleraceus L., Asteraceae ), Pacific Island Ecosystems at Risk (PIER)〕 In Australia it is a common and widespread invasive species, with large infestations a serious problem in crops.〔(【引用サイトリンク】url=http://www.weeds.org.au/cgi-bin/weedident.cgi?tpl=plant.tpl&state=&s=&ibra=all&card=H73 )〕 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「Sonchus oleraceus」の詳細全文を読む スポンサード リンク
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