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psilopsida

/saɪˈlɒp.sɪ.də/

翻译: 松叶蕨纲,一类原始维管植物,通常称为松叶蕨或叉叶蕨,特征是无真根、叶分化极微或缺失,孢子囊退化。

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noun

C2formalcommonscientific/saɪˈlɒp.sɪ.də/

不可数 · 专有名词

A taxonomic class of vascular plants, commonly known as whisk ferns, characterized by having no true roots, minimal or no leaf differentiation, and rudimentary spore sacs.

  • 🇨🇳松叶蕨纲,一类原始维管植物,通常称为松叶蕨或叉叶蕨,特征是无真根、叶分化极微或缺失,孢子囊退化。
  1. Whisk ferns C2 formal scientific

    A class of primitive vascular plants, comprising the family Psilotaceae, characterized by a lack of true roots, minimal leaf differentiation, and rudimentary spore sacs.

    • Psilopsida are among the most ancient lineages of vascular plants.
    • The whisk fern, a member of Psilopsida, has a unique branching structure.
    • Botanists study Psilopsida to understand early plant evolution.

    🇨🇳松叶蕨纲