testa

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

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1. Seed coat C1 formal scientific

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

   • The testa protects the embryo from physical damage and desiccation.
   • In many legumes, the testa is hard and impermeable to water.
   • The color and texture of the testa can vary greatly between plant species.

   🌐غلاف البذرة

   المرادفات: epispermseed coat