A general term for the moss genus Fissidens in the genus Fissidens of the family Fissideraceae. Approximately 900 species have been recorded worldwide, of which over 40 are found in Japan. Many species are particularly tiny, with plant bodies less than 1 cm in size. The stems are largely unbranched, and the leaves are arranged in two rows on the left and right sides of the stem, regularly lining up on a single plane. The name Fissidens comes from the neat, pinched shape of the plant body, which resembles the tail feathers of a phoenix. The base of the leaf is divided into two pieces like the leaves of an iris, and tightly pinches the stem. The capsule is cylindrical and either upright or inclined, with 16 teeth arranged in a row. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
蘚類のホウオウゴケ科,ホウオウゴケ属Fissidensの総称。世界に約900種が記録され,うち日本には40種余りある。とくに植物体が1cm以下の微小な種が多い。茎はほとんど分枝せず,葉は茎に左右2列につき,一平面上に規則正しく並ぶ。ホウオウゴケの名は植物体の端正な羽状の姿を,鳳凰(ほうおう)の尾羽に見たてたもの。葉の基部はアヤメの葉のように2片に分かれて,茎を強くはさむ。蒴(さく)は円筒形で直立または傾き,蒴歯は16枚で1列に並ぶ。
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 |
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