A perennial grass of the grass family that grows on the forest floor of deep mountains or subalpine zones. The stems are generally solitary, rising from short rhizomes, reaching a height of 80-120 cm, and are weak. The leaves are broad and linear, 18-25 cm long and 8-12 mm wide, soft, thin, dark green, drooping at the tips, and hairless, at the nodes of the stem. In July and August, a somewhat large, sparse panicle is produced at the top of the stem. It is 20-30 cm long, 5-7 cm wide, drooping at the tips, and each node has a few whorls of thin, slightly drooping branches 2-5 cm long, each with numerous whitish-green spikelets. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
深山または亜高山帯の林床に生えるイネ科の多年草。茎はおおむね単生し,短い根茎から立ち上がり,高さは80~120cm,軟弱である。葉は茎の節につき,幅広い線形,長さ18~25cm,幅は8~12mmで,軟らかく,質は薄く,濃い緑色で,先は垂れ,毛はない。7,8月に茎の頂にやや大型でまばらな円錐花序を出す。長さ20~30cm,幅は5~7cmで,先は垂れ,各節に長さ2~5cmの細く垂れぎみの枝を少数個輪生し,白緑色の小穂を多数つける。
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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