A perennial grass of the grass family. The culm is tough and 0.6-1.5 meters tall. The leaf sheaths are hairy. From August to October, the culm produces a panicle with a whorl of branches at the top. The spikelet is 4-5 mm long and contains one floret. The awn is bent at the knee, emerges from near the base of the glume, and protrudes outside the spikelet. The tuft of hair at the base is short. It grows in grasslands in hilly and mountainous areas, and is distributed from Hokkaido to Kyushu. The basic species is widely distributed in Eurasia. It is named after the fact that it resembles the calligraphy and is commonly found in fields. It is also called Saitogaya because it is often found in Saito on Mt. Hiei. [Xu Jianchang] It grows in grasslands in hilly and mountainous areas, and produces panicles at the top of the stems from August to October. Also known as Saitogaya ©Shogakukan Photo by Masatoshi Hirose "> Nogariyasu ©Kanzo Otawa "> Nogariyasu (specimen drawing) Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
イネ科の多年草。稈(かん)は堅く、高さ0.6~1.5メートル。葉鞘(ようしょう)に毛がある。8~10月、稈頂に分枝が輪生状につく円錐(えんすい)花序をつける。小穂は長さ4~5ミリメートル、小花が1個ある。芒(のぎ)は膝(ひざ)折れし、護穎(ごえい)の基部近くから出て小穂外に突出する。基盤の毛束は短い。丘陵地や山地の草原に生え、北海道から九州に分布する。基本種はユーラシア大陸に広く分布する。名は、カリヤスに似ており、野原に普通にみられることによる。また、比叡山(ひえいざん)の西塔(さいとう)に多くみられるのでサイトウガヤともいう。 [許 建 昌] 丘陵地や山地の草原に生え、8~10月、稈頂に円錐花序をつける。別名サイトウガヤ©Shogakukan 撮影/広瀬雅敏"> ノガリヤス ©大多和鐘三"> ノガリヤス〔標本画〕 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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