episperm

• Substantivo que designa a camada ou envoltório externo protetor da semente em plantas com flores.

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.

   Tegumento da semente

   • 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.

   Sinônimostesta