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The morning glory ''Calystegia silvatica'' (syn. ''Calystegia sepium silvatica'', ''C. inflata'', and ''C. sylvestris'') is known by the common name giant bindweed or large bindweed. It is the largest species of bindweed and is a strong rampant climber. It is native to southern Europe but has been introduced to many other areas because it is an attractive garden plant. It has large, arrow-shaped leaves and showy white trumpet-shaped flowers up to 9 centimeters in diameter. It is considered a weed in some areas where it has escaped cultivation and now grows wild. It spreads easily via hardy rhizomes. There are several subspecies. ==References== ==External links== *(Flora of Northern Ireland ) *(Weeds in New Zealand ) 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「Calystegia silvatica」の詳細全文を読む スポンサード リンク
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