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Lactuca perennis : ウィキペディア英語版 | Lactuca perennis
''Lactuca perennis'', common names: mountain lettuce, blue lettuce or perennial lettuce, is a perennial herbaceous plant species belonging to the genus ''Lactuca'' of the daisy family. It is widespread across most of central and southern Europe.〔(Altervista Flora Italiana, ''Lactuca perennis'' L. )〕 ==Description== ''Lactuca perennis'' reaches on average of height, with a minimum height of . This plant is glabrous, the stems is erect and branched, leaves are greyish-green, the lower ones with a small petioles, the upper ones partly amplexicaul. It is hermaphrodite and entomophilous. The flowers are violet-blue, with a size of . The flowering period extends from April through August and the seeds ripen from July until September. 〔 Pignatti S. - Flora d'Italia - Edagricole – 1982. vol. III〕
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「Lactuca perennis」の詳細全文を読む
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