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''Pentaglottis sempervirens'' (green alkanet, evergreen bugloss or alkanet) is a bristly, perennial plant native to Western Europe. It grows to approximately 60 cm (24") to 90 cm (36"), usually in damp or shaded places and often close to buildings. It has brilliant blue flowers, and retains its green leaves through the winter. The plant has difficulty growing in acidic soil (it is calcicolous). The name "alkanet" is also used for dyer's bugloss (''Alkanna tinctoria'') and common bugloss (''Anchusa officinalis''). Green Alkanet is an introduced species in the UK, meaning it is not native.〔http://www.nhm.ac.uk/fff-pcp/glob.pl?report=Flora&Flora.()=236800〕 The word "alkanet" derives from Middle English, from Old Spanish ''alcaneta'', diminutive of ''alcana'', "henna", from Medieval Latin ''alchanna'', from Arabic ''al-ḥinnā’'', "henna" : ''al-'': "the" + ''ḥinnā’'', "henna". The genus name ''Pentaglottis'' is Greek, meaning "five tongues", and the species name ''sempervirens'' is Latin, and means "always alive", or "evergreen". Green alkanet blooms in spring and early summer. Its stamens are hidden inside narrow flower-tubes which end in a white eye in the centre of a blue flower. Image:Pentaglottis sempervirens0.jpg|''Pentaglottis sempervirens, flower close-up'' Image:Pentaglottis sempervirens1.jpg|''Pentaglottis sempervirens, stalk and flowers'' Image:Pentaglottis sempervirens.jpg|''Pentaglottis sempervirens, flower close-up'' ==References== *(Plants For A Future ''Pentaglottis sempervirens'' ) *(VIRBOGA - ''Pentaglottis sempervirens'' ) 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「Pentaglottis sempervirens」の詳細全文を読む スポンサード リンク
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