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seed plant I :seed plant without flower gymnosperms, cross link…

- - - - pseudomonopodial branching
- - - - seed fern appear
- - - - have stalk
      - megasporangium
      - thick fleshy scales #
- - - - suspensor
      - proembryo
    - - short axis
      - ovuliferous scale
- - - - two leaves
      - grow indeterminately
      - basal meristem