Kawarasuge - Kawarasuge

... Ecologically, sedges can be found under all kinds of ecological conditions, but there are many that grow in wetlands, such as the Japanese sedge, C. curvicollis Fr.et Sav., which can be found along mountain streams, has cylindrical spikelets with thin stalks that hang down, reminiscent of a clapper. C. kiotensis Fr.et Sav., which has the same clapper-shaped inflorescence and leaves with serrated edges sharp enough to cut your hand, is found in mountain wetlands, while C. maximowiczii Miq. is found on the ridges of rice paddies. C. thunbergii Steud., C. incisa Boott, C. dickinsii Fr.et Sav., which has large fruit sacs, and C. idzuroei Fr.et Sav., all grow in wetlands. There are also many sedges in the forests of hilly areas. ...

*Some of the terminology that refers to "kawarasuge" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…　生態的に見るとスゲはあらゆる生態条件下に見られるが，カサスゲのように湿地に生えるスゲはたいへん多く，山の渓流に沿って見るナルコスゲC.curvicollis Fr.et Sav.では，細い柄をもった円柱形の小穂が垂れ下がり鳴子を思わせるが，同じ鳴子形の花序をもち，葉の鋸歯が手を切るほど鋭いというテキリスゲC.kiotensis Fr.et Sav.は山中の湿地に，ゴウソC.maximowiczii Miq.は水田のあぜに多い。アゼスゲC.thunbergii Steud.，カワラスゲC.incisa Boott，大きな果胞をもったオニスゲC.dickinsii Fr.et Sav.，ウマスゲC.idzuroei Fr.et Sav.等みな湿地生である。　丘陵地の林の中にもスゲは多い。…

※「カワラスゲ」について言及している用語解説の一部を掲載しています。

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