A perennial plant of the Cyperaceae family (APG classification: Cyperaceae). It grows on the forest floor in mountainous areas. It grows 20-40 cm tall, with hard leaves about 1 cm wide. It is called Kansuge because its leaves remain green even in the cold. Variegated species are planted in gardens and used as cut plants. It is distributed in Honshu, Shikoku, and Kyushu west of Fukushima Prefecture. There are several other species in Japan that bear the name Kansuge. The small-sized C. conica Boott, similar to Kansuge, commonly grows on the forest floor throughout Japan. Its leaves are 2-4 mm wide, dark green, and rough. The Okuno Kansuge C. foliosissima Fr.Schm. resembles Kansuge, but can be distinguished by the W-shaped wavy leaf cross section. The common sedge, C. reinii Franch. et Sav., grows in forests, with the uppermost spikelet containing male flowers and the remaining spikelets containing male flowers at the top and female flowers at the bottom. [Eiichiro Kinoshita July 19, 2019] A perennial plant that grows in clusters on the forest floor in mountainous areas. Around April to May, culms emerge between the leaves, and brown tassels form at the tips. The female spikes grow sparsely below the tassels. ©Seishohmaru "> Sedge ©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。山地の林床に生える。高さは20~40センチメートル、葉の幅は1センチメートルほどで堅い。寒中にも葉が青々としているのでカンスゲの名がある。斑(ふ)入りのものは庭に植え、切り草にも使われる。福島県以西の本州、四国、九州に分布する。カンスゲと名のつくものは日本ではほかに数種ある。カンスゲに似て全体が小形のヒメカンスゲC. conica Boottは日本各地の林床に普通に生える。葉の幅は2~4ミリメートル、濃緑色でざらつく。オクノカンスゲC. foliosissima Fr.Schm.はカンスゲに似ているが、葉の断面がW字型に波打つことで区別できる。コカンスゲC. reinii Franch. et Sav.は林内に生え、いちばん上の小穂は雄花からなり、残りの小穂の上部は雄花、下部は雌花がつく。 [木下栄一郎 2019年7月19日] 山地の林床などに叢生する多年草。4~5月ごろ、葉間に稈を出し、先端に褐色の雄穂をつける。雌穂は雄穂の下にまばらにつく©Seishohmaru"> カンスゲ ©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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