A perennial grass of the grass family found on the forest floor of mountains and wilderness areas. The stems grow in large numbers and form clumps, with the slanted lower part curving at the nodes while the upper part rises, reaching a height of 40-70cm. The leaves are linear lanceolate at the nodes of the stem, sparsely hairy on both sides, 10-20cm long and 5-10mm wide, and usually twist in the middle so that the underside faces up, forming the underside of the leaf. The inflorescences are produced in June and July. The inflorescences are sparsely borne on a central axis with around 10 spikelets, which have very short stalks, but as the stalks are not prominent they appear to be single spikelets. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
山地や原野の林床に見られるイネ科の多年草。茎は多数叢生(そうせい)して株を作り,斜めになった下部は節で曲がりながら上部は立ち上がり,高さは40~70cmである。葉は茎の節につき,線状の披針形で,両面にまばらに毛があり,長さ10~20cm,幅は5~10mm,普通,中ほどでねじれて裏面が上になり,裏葉となる。6~7月に花序を出す。花序は中軸上に10個内外の小穂をまばらにつけ,小穂にはきわめて短い柄があるが,柄が顕著でないために見かけ上は単穂に見える。
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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