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わが国の本州から四国・九州に分布しています。山地の草原に生え、高さは60〜90センチになります。葉は線形から狭披針形で、「すすき」よりも薄くて柔らかです。また葉には、疎らに長軟毛があります。8月から9月ごろ、花茎の先に2〜5個の花序の枝をだして小穂をつけます。小穂の長い芒があるのが特徴です。
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イネ科ススキ属の多年草で、学名は Miscanthus oligostachyus。英名はありません。
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The "Kariyasu-modoki" (Miscanthus oligostachyus) belongs to Poaceae (the Grass family). It is a perennial herb that is native to Honshu, Shikoku and Kyushu in Japan. This grass grows in mountane grasslands, and it can reach 60-90 cm in height. The leaves are linear to narrow lanceolate, thinner and softer than the Silver grass (Miscanthus sinensis). They bear long soft hairs sparsely. The many spikelets are borne in 2-5 cluster-branches which arranged atop of flowering stalks from August to September. It is defined that its spikelet has long arista.
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栃木県那須町「剣ヶ峰」にて、2014年08月14日撮影。
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