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わが国の九州に分布しています。山地の草原に生え、高さは40〜75センチになります。茎葉は細く、無柄で、羽状に浅裂し、裂片に細鋸歯があります。7月から9月ごろ、白色または淡紅色の頭花を咲かせます。頭花は直径12〜13ミリで、総苞は鐘形です。
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キク科ノコギリソウ属の多年草で、学名は Achillea alpina ssp. subcartilaginea。英名はありません。
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The "Aso-nokogiri-so" (Achillea alpina ssp. subcartilaginea) belongs to Asteraceae (the Aster family). It is a perennial herb that is distributed in Kyushu, Japan. This herb grows in montane meadows and its height is 40-75 cm. The cauline leaves are slender, sessile and pinnately lobed. The lobes are fine serrated. The white or pink red flower-heads will bloom from July to September. They are 12-13 mm in diameter, and the involucre are bell-shaped.
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福岡市中央区「福岡市植物園」にて、2017年10月06日撮影。
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