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单词 Pteridophyta
释义

Definition of Pteridophyta in English:

Pteridophyta

plural noun ˌtɛrɪdə(ʊ)ˈfʌɪtəˌterəˈdäfidə
Botany
  • A division of flowerless green plants that comprises the ferns and their relatives.

    Division Pteridophyta: classes Filicopsida (ferns), Sphenopsida (horsetails), and Lycopsida (clubmosses)

    Example sentencesExamples
    • Consider the ‘Pteridophyta’ (vascular plants that reproduce by spores) are they a monophyletic group or a grade?
    • The database includes the data on the spread of the autochthonous and majority of the alochthonous species of pteridophyta and anthophyta in Slovenia.
    • Polyploidy occurs in the heterosporous and homosporous Pteridophyta, but with a much higher frequency in the latter.

Origin

Modern Latin (plural), from Greek pteris, pterid- 'fern' + phuton 'plant'.

 
 

Definition of Pteridophyta in US English:

Pteridophyta

plural nounˌterəˈdäfidə
Botany
  • A division of flowerless green plants that comprises the ferns and their relatives.

    Division Pteridophyta: classes Filicopsida (ferns), Sphenopsida (horsetails), and Lycopsida (club mosses)

    Example sentencesExamples
    • Polyploidy occurs in the heterosporous and homosporous Pteridophyta, but with a much higher frequency in the latter.
    • The database includes the data on the spread of the autochthonous and majority of the alochthonous species of pteridophyta and anthophyta in Slovenia.
    • Consider the ‘Pteridophyta’ (vascular plants that reproduce by spores) are they a monophyletic group or a grade?

Origin

Modern Latin (plural), from Greek pteris, pterid- ‘fern’ + phuton ‘plant’.

 
 
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更新时间:2024/12/24 2:44:15