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单词 strobilus
释义

strobilus

/ˈstrəʊbɪləs /
noun (plural strobili /ˈstrəʊbɪlʌɪ/ /ˈstrəʊbɪliː/) Botany
1The cone of a pine, fir, or other conifer.Immature female and male strobili cones were harvested from a 40-year-old Norway spruce tree, 2 weeks prior to pollen release....
  • At the tips of reproductive branches are the ‘cones,’ or strobili, which consist of tightly packed appendages called sporangiophores.
  • Note that this is a strobilus with possible homology to the ovule-bearing cone of conifers.
1.1A cone-like structure, such as the flower of the hop.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'.

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更新时间:2024/11/11 4:16:39