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Cirsium helenioides : ウィキペディア英語版 | Cirsium helenioides
''Cirsium helenioides'', called Melancholy thistle , is an Asian and Arctic species of plants in the thistle tribe within the sunflower family. The species is native to Greenland, Iceland, Norway, Sweden, Finland, Russia, Xinjiang, Kazakhstan.〔(Biota of North America Program 2014 county distribution map )〕〔(Tropicos, ''Cirsium grahamii'' A. Gray )〕〔 ''Cirsium helenioides'' is a biennial herb up to 120 cm (48 inches) tall, usually not branched, blooming only once before dying. Leaves are green on top, woolly underneath, with thin spines along the edges. There is one flower head per plant, with purple (occasionally white) disc florets but no ray florets.〔(Melancholy thistle , Flora of North America, ''Cirsium helenioides '' (L.) Hill )〕〔(Naturgate, Melancholy Thistle ''Cirsium helenioides'' )〕〔(Flora of China, 堆心蓟 dui xin ji, ''Cirsium helenioides'' (Linnaeus) Hill )〕〔(Plantarium, Плантариум, ''Cirsium helenioides'' (L.) Hill Описание таксона ), in Russian with photos〕 ==References==
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「Cirsium helenioides」の詳細全文を読む
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