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Detail of a longitudinal section of a female cone of Pinus

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1  megasporophyll
3  megasporocyte
4  sterile bract
2   megasporangium=megagametophyt

English name: Pine
Scientific name: Pinus sp.
Familia: Pinaceae
Classis: Coniferopsida
Phylum: Gymnospermae
Regnum: Plantae
On each megasporophyl two megasporangia are present. In this longitudinal section only one can be seen

last modified: 5 Jun 2014