hypocotyl definition

  • noun:
    • The the main axis of a plant embryo or seedling plant that is below the cotyledons.
    • In flowers with seeds, that part of the embryo or seedling between the root and cotyledons.
    • In botany, that area of the axis which will be underneath the cotyledons. Also referred to as the caulicle, and erroneously the radicle.

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