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Detail of a longitudinal section of a male cone of Pinus
	- Large (93 Kb) - Scroll down to information Without labels Legend: 1 microsporophyll (2n) 3 pollen grains (contains haploid cells) 2 wall of microsporangium (2n)
English name: Pine Scientific name: Pinus sp. Familia: Pinaceae Classis: Coniferopsida Phylum: Gymnospermae Regnum: Plantae
The wall of the microsporangium dries and opens; pollen grains are then spread through the wind (anemophilous pollination)