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sphenopsida

/sfɪˈnɒp.sɪ.də/

1 entry

noun

/sfɪˈnɒp.sɪ.də/C2formalscientific
  • ruТаксономический класс сосудистых растений, включающий хвощи и их вымерших родственников, характеризующийся членистыми стеблями и мутовчатыми листьями.

A taxonomic class of vascular plants that includes horsetails and their extinct relatives, characterized by jointed stems and whorled leaves.

uncountable · proper noun

  1. Horsetails and related formsC2formalscientific

    A class of vascular plants that includes horsetails and their extinct relatives, characterized by jointed stems and whorls of leaves.

    ruХвощи и родственные формы

    • Sphenopsida are known for their distinctive ribbed stems.
    • Fossil records show that Sphenopsida were abundant during the Carboniferous period.
    • Modern horsetails are the only surviving members of the Sphenopsida class.