Cotyledon

usgb/ˌkɑː.tɪˈliː.dən/
noun

A cotyledon is the first leaf or leaves that appear from a germinating seed.

The tomato plant has two cotyledons that emerge shortly after germination.
Visual representation of "cotyledon" - A cotyledon is the first leaf or leaves that appear from a germinating seed.

Often appears as...

  • first leaves
  • plant anatomy

Usage tips

Neutral

seed leaf, plant embryo, germination

Definition 1 of 1
Visual representation of "cotyledon"
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Botanical Importance

Understanding cotyledons can help in identifying plant species.

Illustration for Botanical Importance
Seed leaves vary between dicots and monocots.
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Germination Stages

Cotyledons play a crucial role in early plant development.

Illustration for Germination Stages
Observe how cotyledons differ among various species.
Visual representation of the word "Cotyledon"

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