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单词 squamule
释义

Definition of squamule in English:

squamule

noun ˈskweɪmjuːl
Zoology Botany
  • A small scale.

    〔植,动〕小鳞片

    Example sentencesExamples
    • The ring is white, moderately thick, with verrucose white squamules on the margin of the lower surface.
    • These squamules are dissected or incised, meaning the margins have lots of breaks and cuts into them.
    • Typically C. ochrochlora has much larger almost undivided squamules while C. coniocraea has smaller finely dissected squamules.

Derivatives

  • squamulose

  • adjective
    Botany Zoology
    • Lichens in the genus Cladonia have squamulose bases and often have fruticose fruiting structures called podetia.
      Example sentencesExamples
      • This lichen has a scale-like squamulose structure but also produces erect stalked cups termed podetia.
      • Neophyllis melacarpa is a squamulose lichen from the wet forests of southeast Australia and New Zealand which grows on rotting wood and tree trunk bases.
      • In foliose lichens, there is a second cortex below the medulla, but in crustose and squamulose lichens, the medulla is in direct contact with the underlying substrate, to which the lichen is attached.
      • In crustose and squamulose lichens there is no lower cortex.

Origin

Mid 18th century: from Latin squamula, diminutive of squama 'scale'.

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更新时间:2024/12/27 16:37:39