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单词 strobilus
释义

Definition of strobilus in English:

strobilus

nounPlural strobili ˈstrəʊbɪləsˈstrōbələs
Botany
  • 1The cone of a pine, fir, or other conifer.

    〔植〕(松树、冷杉等针叶树的)球果,球花,孢子叶球

    Example sentencesExamples
    • The microsporophylls of cycads are arranged in strobili and bear clusters of microsporangia on their abaxial surface.
    • At the tips of reproductive branches are the ‘cones,’ or strobili, which consist of tightly packed appendages called sporangiophores.
    • Immature female and male strobili cones were harvested from a 40-year-old Norway spruce tree, 2 weeks prior to pollen release.
    • Note that this is a strobilus with possible homology to the ovule-bearing cone of conifers.
    • In this case, ‘cone’ is a colloquial term for a woody strobilus.
    1. 1.1 A structure resembling the cone of a conifer, such as the flower of the hop.
      Example sentencesExamples
      • While many lycophytes have their sporophylls scattered along their stem, most produce them in a strobilus.
      • Unlike most seed plants, however, the pollen and ovule-bearing organs are usually produced together in a bisporangiate strobilus called a flower.

Origin

Mid 18th century: from late Latin, from Greek strobilos, from strephein 'to twist'.

Definition of strobilus in US English:

strobilus

nounˈstrōbələs
Botany
  • 1The cone of a pine, fir, or other conifer.

    〔植〕(松树、冷杉等针叶树的)球果,球花,孢子叶球

    Example sentencesExamples
    • Immature female and male strobili cones were harvested from a 40-year-old Norway spruce tree, 2 weeks prior to pollen release.
    • Note that this is a strobilus with possible homology to the ovule-bearing cone of conifers.
    • In this case, ‘cone’ is a colloquial term for a woody strobilus.
    • The microsporophylls of cycads are arranged in strobili and bear clusters of microsporangia on their abaxial surface.
    • At the tips of reproductive branches are the ‘cones,’ or strobili, which consist of tightly packed appendages called sporangiophores.
    1. 1.1 A structure resembling the cone of a conifer, such as the flower of the hop.
      Example sentencesExamples
      • Unlike most seed plants, however, the pollen and ovule-bearing organs are usually produced together in a bisporangiate strobilus called a flower.
      • While many lycophytes have their sporophylls scattered along their stem, most produce them in a strobilus.

Origin

Mid 18th century: from late Latin, from Greek strobilos, from strephein ‘to twist’.

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更新时间:2024/10/19 12:32:20