A perennial grass (illustration) commonly found in sunny grasslands and roadsides. It grows densely into clumps with strong roots that are difficult to pull out. The leaves are numerous and slender, linear, 30-70cm long, 2-5mm wide, somewhat hard, slightly curled inwards, and tapering to a long, pointed tip. The stem is 40-80cm tall including the inflorescence, thin and sturdy. The inflorescence appears from September to November, and stands in a spike-like, slender, tail-like panicle, 20-50cm long and 1-1.5cm wide, with short branches that are close to the central axis of the inflorescence. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
日当りのよい草原や路傍によく見るイネ科の多年草(イラスト)。密に叢生(そうせい)して株をつくり,根が強く,抜きにくい。葉は多数根生し,細長い線形で,長さは30~70cm,幅は2~5mm,やや硬く,内巻きぎみで,先端はしだいに細まり長くとがる。茎は花序を含めて高さ40~80cm,細く,じょうぶである。花序は9~11月にあらわれ,見かけ上は穂状の細長い尾状の円錐花序で立ち,長さは20~50cm,幅は1~1.5cmで,枝は短く,花序の中軸に寄り添う。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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