Rock sedge - Rock sedge

...The sedges that grow in the high moors include the beautiful C. limosa L. and C. michauxiana Böcklr.ssp. asiatica T.Koyama, which have radially arranged, thin, pointed sacs. There are also many sedges with beautiful spikelet colors and shapes on the rocky areas. For example, there is C. podogyna Fr.et Sav., which has dark brown, bushy, oval spikelets that resemble a raccoon dog's tail, and the smaller C. doenitzii Böcklr. and C. scita Maxim., and C. stenantha Fr.et Sav., which has brown, thin spikelets. Sedges are distributed in a narrow range, their ecological niches are clearly defined, and none of them have become weeds. ...

*Some of the terminology that mentions "Iwasuge" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…高層湿原に生えるスゲには美しいヤチスゲC.limosa L.や細くとがった果胞が放射状に並んだミタケスゲC.michauxiana Böcklr.ssp.asiatica T.Koyamaがあり，岩場には小穂の色や形の美しいスゲも多い。たとえば濃褐色でふさふさした楕円形のタヌキの尾の感じの小穂をつけるタヌキランC.podogyna Fr.et Sav.と，それを小型にしたコタヌキランC.doenitzii Böcklr.やミヤマアシボソスゲC.scita Maxim.，褐色で細い小穂のイワスゲC.stenantha Fr.et Sav.等がある。スゲ類は分布が狭く，生態的にもすみわけがはっきり決まっていて，雑草化しているものは一つもない。…

※「イワスゲ」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