| Longitudinal section of a female cone of Pinus |
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With labels
Legend:
1 megaporangium
3 megasporophyll
2 megasporocyte
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English name: Pine
Scientific name: Pinus sp.
Familia: Pinaceae
Classis: Coniferopsida
Phylum: Gymnospermae
Regnum: Plantae
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| In the megasporangium the megasporocyt forms 4 megaspores through meiosis. Only one of these further develops to the megagametophyte with archegonia |