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Longitudinal section of a female cone of Pinus

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1  megaporangium
3  megasporophyll
2  megasporocyte

English name: Pine
Scientific name: Pinus sp.
Familia: Pinaceae
Classis: Coniferopsida
Phylum: Gymnospermae
Regnum: Plantae
In the megasporangium the megasporocyt forms 4 megaspores through meiosis. Only one of these further develops to the megagametophyte with archegonia

last modified: 5 Jun 2014