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Sonchus acaulis : ウィキペディア英語版 | Sonchus acaulis
''Sonchus acaulis'' is a plant species in the dandelion tribe within the daisy family. It is found only on the Canary Islands of Gran Canaria and Tenerife. ==Description== Perennial. Base woody. Leaves in a single large basal rosette up to 1 m across; pinnatifid, wooly, with a pointy tip. Scape up to 1.5 m, without bracts. Inflorescence an umbellate group of flower heads. Peduncles with 1 to several heads, wooly. Involucral bracts broad, very densely white-tomentose. Heads about 2.5 cm across with numerous yellow ray flowers but no disc flowers.〔David Bramwell and Zoë Bramwell. Wild Flowers of the Canary Islands. Editorial Rueda, Madrid, España. 2001. ISBN 84-7207-129-4〕
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 acaulis」の詳細全文を読む
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