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单词 clubmoss
释义

Definition of clubmoss in English:

clubmoss

nounˈklʌbmɒs
  • A low-growing flowerless plant that resembles a large moss, having branching stems with undivided leaves.

    Class Lycopsida, division Pteridophyta: three living families, in particular Lycopodiaceae and Selaginellaceae (the lesser clubmosses)

    Example sentencesExamples
    • At left is a picture of the clubmoss Lycopodium obscurum showing the habit of the plant and position of the strobili, or cones.
    • Extant vascular plants range from clubmosses and ferns and their allies (such as whisk ferns and horsetails) to complex seed plants, comprising gymnosperms and angiosperms.
    • On the other hand, the trait ‘megaphyll’ (as opposed to ‘microphyll’) unites the fern and the flowering plant into a group, excluding the clubmoss.
    • Alternatively, in Cumbria we are looking for volunteers to help carry out a survey for two unusual rarities - marsh clubmoss and pillwort.
    • Of the 900 species of lycophytes (clubmosses) recognized, only four C-values are available.
 
 
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更新时间:2024/12/23 22:36:51