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Anatomy of Plant Seeds

Though seeds might appear to be relatively simple on the surface, they are a rather complex structure. There are two types of seeds, a monocot seed and a dicot seed. Does this Spark an idea?

  1. Pericarp

    • The outer most layer of a monocot seed is called the pericarp. The pericarp is responsible for protecting the seed from the outside elements.

    Endosperm

    • The next structure is known as the endosperm. This substance nourishes the developing plant. There is both hard endosperm and soft endosperm.

    Embryo

    • The embryo is the baby plant after germination.

    Scutellum

    • The scutellum removes the waste produced as the embryo uses the endosperm to develop.

    Coleoptile

    • The coleoptile is a sheath of material designed to help the new plant push through the soil to the surface.

    Plumule and Radicle

    • The plumule is the uppermost part of the embryo and is where the leaves of the immature plant reside. The radicle is the immature root of the new plant.

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