...The rhizome is long and creeping, about 3 mm in diameter, hard as wire, and covered with linear lanceolate scales at the tip. The leaves are simple (hence the Japanese name hitotuba, the scientific name lingua , and the English name tongue fern), with dense stellate hairs on the underside and sparse similar hairs on the upper surface. The sporangia are densely packed between the lateral veins of the leaves, and cover most of the underside. ... *Some of the terminology that refers to "tongue fern" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…根茎は長く匍匐(ほふく)し,直径3mmほど,針金のようにかたく,先端部は線状披針形の鱗片でおおわれる。葉は単葉で(和名のヒトツバ,学名のlingua,英名のtongue fernはこれに由来する),裏面には星状毛が密生し,葉の表にはまばらに同様の毛がある。胞子囊群は葉の側脈間にこみあって生じ,裏面の大部分をべったりとおおう。… ※「tongue fern」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 |
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