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单词 corolla
释义

corolla

/kəˈrɒlə /
noun Botany
The petals of a flower, typically forming a whorl within the sepals and enclosing the reproductive organs. Compare with calyx.In addition, experimental flowers that matured a fruit (and therefore received a visit) had significantly larger corollas compared with corollas of flowers that did not initiate a fruit....
  • From each plant one randomly chosen, fresh flower was dissected under a binocular microscope to separate the corolla, androecium and gynoecium.
  • As is now regarded as typical of bat-pollinated flowers, the corolla is sturdy and the nectary disk is large.

Origin

Late 17th century (in the sense 'little crown'): from Latin, diminutive of corona 'wreath, crown, chaplet'.

Rhymes

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更新时间:2024/9/22 3:49:04