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单词 sepal
释义

sepal

/ˈsɛp(ə)l / /ˈsiːp(ə)l/
noun Botany
Each of the parts of the calyx of a flower, enclosing the petals and typically green and leaf-like.Roots, stems, leaves, sepals, petals, stamens, stigmas/styles, ovaries, and seeds were collected and frozen in liquid nitrogen....
  • The formation of organs in the four whorls of a typical eudicotyledonous flower, consisting of sepals, petals, stamens, and carpels, requires many genes for proper organ and tissue development.
  • The cocoa flower has five free sepals, five free petals, five staminodes, five stamens and an ovary of five united carpels.

Origin

Early 19th century: from French sépale, modern Latin sepalum, from Greek skepē 'covering', influenced by French pétale 'petal'.

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更新时间:2024/12/22 19:02:55