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''Sempervivum arachnoideum'', sometimes known as cobweb houseleek, is a species of flowering plant in the family Crassulaceae, native to the Alps, Apennines and Carpathians. Growing to tall by wide, it is a rosette-forming succulent perennial, valued in cultivation for its ability to colonise hot, dry areas via offsets. Its name ''arachnoideum'' refers to its furry central rosettes, resembling spider webs. It flowers in July, with pink flowers that are raised on stems and hermaphrodite (having both male and female organs). This plant has gained the Royal Horticultural Society's Award of Garden Merit.〔(【引用サイトリンク】url=http://apps.rhs.org.uk/plantselector/plant?plantid=1824 )〕 ==References== Image:Sempervivum arachnoideum flower.jpg|''S. arachnoideum'' flower Image:Hen and Chicks Flower.jpg|Another flower Image:Sempervivum arachnoideum - spider web.jpg|Characteristic "spider web" on a rosettes 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「Sempervivum arachnoideum」の詳細全文を読む スポンサード リンク
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