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单词 ray floret
释义

Definition of ray floret in English:

ray floret

noun
Botany
  • (in a composite flower head of the daisy family) any of a number of strap-shaped and typically sterile florets that form the ray. In plants such as dandelions the flower head is composed entirely of ray florets.

    Compare with disc floret
    Example sentencesExamples
    • Capitula include on average 17 peripheral sterile ray flowers and 43 central hermaphroditic disc flowers.
    • The senescent daisies still retained a few partly shriveled ray flowers.
    • Heads on discoid plants have an extra whorl of disc florets instead of ray florets.
    • Those outer flowers are called ray flowers - for that petal - while the inner flowers are called disk flowers.
    • The daisylike blooms are composed of short disc flowers surrounded by single or multiple rows of petal-like ray flowers.
 
 

Definition of ray floret in US English:

ray floret

noun
Botany
  • (in a composite flower head of the daisy family) any of a number of strap-shaped and typically sterile florets that form the ray. In plants such as dandelions the flower head is composed entirely of ray florets.

    Compare with disk floret
    Example sentencesExamples
    • Those outer flowers are called ray flowers - for that petal - while the inner flowers are called disk flowers.
    • Heads on discoid plants have an extra whorl of disc florets instead of ray florets.
    • The daisylike blooms are composed of short disc flowers surrounded by single or multiple rows of petal-like ray flowers.
    • Capitula include on average 17 peripheral sterile ray flowers and 43 central hermaphroditic disc flowers.
    • The senescent daisies still retained a few partly shriveled ray flowers.
 
 
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更新时间:2025/3/27 20:13:51