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radicle
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cotyledons and germination Eudicotyledonous plant
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radicle

plant anatomy
Also known as: primary root
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cotyledons and germination
cotyledons and germination (Top) Monocotyledon (internal structures of a corn seed with stages of germination). Nutrients are stored in the cotyledon and endosperm tissue. The radicle and hypocotyl (region between the cotyledon and radicle) give rise to the roots. The epicotyl (region above the cotyledon) gives rise to the stem and leaves and is covered by a protective sheath (coleoptile). (Bottom) Eudicotyledon (internal structures of a bean seed with stages of germination). All nutrients are stored in the enlarged cotyledons. The radicle gives rise to the roots, the hypocotyl to the lower stem, and the epicotyl to the leaves and upper stem.

The radicle is the part of a plant embryo that develops into the primary root. It is the first organ to emerge when a seed germinates, growing downward into the soil to anchor the seedling. The primary root itself originates from the radicle. The development of the radicle is a crucial step in early plant growth, forming the foundation for the plant's root system and its ability to absorb water and nutrients.1234

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5 Britannica Sources
  1. radicle
  2. primary root
  3. germination
  4. root
  5. plant development - Origin of the primary organs

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