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How do monocots and eudicots differ in the number of seed leaves?

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Monocots and eudicots are distinguished primarily by the number of cotyledons—or embryonic seed leaves—present in the seed:

  • Monocots (monocotyledons) are characterized by the presence of only one seed leaf in the embryo.1
  • Eudicots (eudicotyledons) typically possess two seed leaves.12

These structural differences in the embryo are fundamental to the classification of these two major groups of angiosperms.12