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わが国の本州、伊吹山地と鈴鹿山地の北部に分布しています。「こいぶきあざみ（小伊吹薊）」と「ひめあざみ（姫薊）」との中間型とされ、山地帯の草地に生えて高さは１メートルほどになります。茎葉は長楕円形で羽状に中裂します。８月から１０月ごろ、分枝した枝先に淡紫紅色の花を咲かせます。伊吹山では中腹から山麓に多いとのことです。撮影したのは、登山道の北尾根分岐点付近。
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キク科アザミ属の多年草で、学名は Cirsium confertissimum var. herbicola。英名はありません。
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The "Ibuki-azami" (Cirsium confertissimum var. herbicola) belongs to Asteraceae (the Aster family). It is a perennial herb that is distributed in the Ibuki Mountains and the northern part of the Suzuka Mountains in Honshu, Japan. It is considered to be an intermediate type between "Koibuki-azami" and "Hime-azami". It grows in grassland in mountainous areas and grows to a height of about 1 m. The cauline leaves are oblong and pinnately lobed, and it produces pale purple-red flowers at the ends of its branched branches from August to October. In the Ibuki Mountains, it is most commonly found from the mid-slope to the foot of the mountain. The photos were taken near the north ridge junction of the trail in the Ibuki Mountains.
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岐阜県揖斐川町春日川合「伊吹山」にて、2005年10月09日撮影。
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いぶきあざみ (伊吹薊)
shu@botanic.jp