Back to Medium sized version | With labels Longitudinal section of a male cone of Pinus
 Legend:
1 microsporophyll
2 microsporangium containing pollen grains
English name: Pine
Scientific name: Pinus sp.
Familia: Pinaceae
Classis: Coniferopsida
Phylum: Gymnospermae
Regnum: Plantae
In the microsporangium microsporocytes undergo meiosis, giving rise to microspore that divide mitotically and form pollen grains | 
