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Related articles:
Ovule
Pinophyta
Pollen
Sporophyte
Cycad
Seed
Plant
Leaf
Carboniferous
Key terms: gymnosperms seed cone group uses plant species ovule conifer pollen living ginkgo cycad gametophyte period female extant leaves ephedra develops pollination sporophyte microscopic Search external links cited by footnotes on Wikipedia page Gymnosperm: |
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