A perennial plant of the Cyperaceae family (APG classification: Cyperaceae). It grows slender underground runners and is 20-60 cm tall. The leaves are soft and 2-4 mm wide. The female spikelets are cylindrical and erect, 2-5 cm long. The scales of the female flowers are black-brown and very conspicuous. They grow in clusters in wetlands, riverbanks, and ridges on flat land, and flower in May-June. The leaves are used for ropes and other items. They are distributed in Hokkaido, Honshu, Karafuto (Sakhalin), and the Kuril Islands, but there is a large variation. A variety that grows in the marshes of Hokkaido and does not grow runners is distinguished as Carex o-Azesugesu. Because they no longer grow runners, they grow into large plants that rise up like small hills, creating what is called yachibozu. [Eiichiro Kinoshita July 19, 2019] [Reference] |©Masayoshi Umebayashi "> Major types of sedge (3) [specimen illustrations] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
カヤツリグサ科(APG分類:カヤツリグサ科)の多年草。地下に細長い走出枝を伸ばし、高さ20~60センチメートル。葉は柔らかく、幅2~4ミリメートル。雌小穂は円柱形で直立し、長さ2~5センチメートル。雌花の鱗片(りんぺん)は黒褐色でよく目だつ。平地の水湿地、川岸、あぜなどに群生し、花期は5~6月。葉は縄などに利用される。北海道、本州、樺太(からふと)(サハリン)、千島に分布するが、変異が大きい。北海道の湿原に生え、走出枝が伸びなくなった変種はオオアゼスゲとして区別される。それらは走出枝を伸ばさなくなったため、大きな株になり小さな丘のように盛り上がって、谷地坊主(やちぼうず)とよばれるものをつくる。 [木下栄一郎 2019年7月19日] [参照項目] |©梅林正芳"> スゲのおもな種類(3)〔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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