...Although it is not particularly used, the dwarf bracken is used for ornamental purposes due to its interesting shape. The rhizomes of the Miyakojima bracken Helminthostachys zeylanica (L.) Hook., which have spike-like sporophylls, are used as an antidote. This species is considered to be much more primitive and phylogenetically distant than other ferns, due to its characteristics of secondary rhizome growth, the fact that it has individual sporangia rather than sporangia clusters, and the presence of hypostalks. *Some of the terminology that mentions "Helminthostachys zeylanica" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…とくに利用されることはないが,ヒメハナワラビは形の面白さから観賞用に用いられる。穂状の胞子葉をもつミヤコジマハナワラビHelminthostachys zeylanica (L.) Hook.の根茎は,解毒剤として使用される。 この仲間は根茎が二次生長をすること,胞子囊が1個ずつついて,胞子囊群をつくらないこと,胚柄があるなどの特徴をもつので,他のシダ類よりもかなり原始的で系統もはなれていると推定される。… ※「Helminthostachys zeylanica」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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