A large perennial plant of the Cyperaceae family that grows in marshes near the coast (illustration). Its other name, Shishikirigaya, means that this species' sturdy leaves have sharp sawtooth edges that can even cut wild boars. It grows on short rhizomes to form large colonies. The stems are thick and cylindrical, reaching a height of over 2m, with nodes and leaves. The leaves are broad linear, about 1cm wide, and can grow to nearly 1m in length. They are hard, leathery, slightly grayish green, and have very sharp sawtooth edges. From August to October, it produces large panicles up to 60cm long, and numerous small brown spikelets grow densely. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
海岸に近い湿地に生える大型のカヤツリグサ科の多年草(イラスト)。異名のシシキリガヤは本種の丈夫な葉が鋭い鋸歯縁をもっていてイノシシさえも切るほどだ,という意味である。短い根茎があって大きな群落を作る。茎は円柱形で太く,高さ2m余りに達し,節があり,葉をつける。葉は幅1cmくらいの広線形で,長さ1m近くにもなり,硬く,革質,やや灰色がかった緑色で,縁にはきわめて鋭い鋸歯がある。8~10月,長さ60cmの大型の円錐花序を出し,褐色で小型の小穂を無数に密生する。
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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