A perennial grass of the Gramineae family, distributed in the temperate zone of East Asia and growing in mountain and field grasslands throughout Japan. The culms are upright and pale green. The leaves are broad, linear, somewhat hard, with serrated edges and a leaf sheath at the bottom. From summer to early autumn, the plant produces large, sparse panicles at the top of the culm. The spikelet consists of one flower on a short pedicel. The fruit has long, twisted awns. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
イネ科の多年草で,東アジアの温帯に分布し,日本各地の山野の草地に生える。稈は直立し淡緑色。葉は幅の広い線形でやや硬く,縁に鋸歯があり,下部は葉鞘になる。夏から初秋にかけて,稈の頂部に大型のまばらな円錐花序をつける。小穂は短い花柄をもつ1花から成る。果実に長くねじれた芒 (のぎ) がある。
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