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episperm

/ˈɛp.ɪ.spɜːm/

Traduction: Nom désignant l'enveloppe protectrice externe ou le tégument de la graine chez les plantes à fleurs.

1 entrée

noun

/ˈɛp.ɪ.spɜːm/C2formalscientific
  • frNom désignant l'enveloppe protectrice externe ou le tégument de la graine chez les plantes à fleurs.

A noun referring to the protective outer layer or covering of seeds in flowering plants.

  1. Seed coatC2formalscientific

    The protective outer layer of a seed, derived from the integuments of the ovule.

    frTégument de la graine

    • The episperm protects the embryo from physical damage and dehydration.
    • In many seeds, the episperm is hard and impermeable to water.
    • Botanists study the structure of the episperm to understand seed dormancy.

    Synonymestesta

Formes
  • episperms plural form
  • episperms' possessive plural form
  • episperm's possessive singular form