A perennial grass (illustration) that is occasionally seen in grasslands. The stems and leaves grow densely in clumps, covered with short white hairs. The awns are thin but stiff, 30-50cm tall, and are particularly hairy below the inflorescence. The leaves are thin and linear, 10-20cm long, 3-5mm wide, somewhat stiff, slightly inward-curling, and covered with short soft hairs except at the top of the sheath. From May to July, the plant produces a dense panicle-like inflorescence at the top of the stem, which is 5-13cm long, 1-1.5cm in diameter, and silvery white in color. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
草原にたまに見かけるイネ科の多年草(イラスト)。茎と葉は密に叢生(そうせい)して株を作り,全体に短い白毛に覆われている。芒(のぎ)は細いが硬く,高さは30~50cm,花序下に特に毛が多い。葉は細い線形で,長さは10~20cm,幅は3~5mm,やや硬く,多少内巻きとなり,鞘の上部を除いて短い軟毛がある。5~7月に茎の頂につまって穂状に見える密な円錐花序をつけ,その長さは5~13cm,径1~1.5cm,銀白色をしている。
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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