Phylum Coniferophyta
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Kingdom:  Plantae 

    Phylum:  Coniferophyta

        

Ovulate cone 4xc.jpg (278369 bytes)Pinus ovulate cone.  Note megasporocyte within the megasporangium.

 

 

ovulate cone 10x.jpg (814560 bytes)Pinus megasporangium with megasporocyte (or megaspore, if meiosis has already occurred)

 

pine staminate cone low.jpg (459748 bytes)Pinus staminate cone.  Note multiple microsporangia with microspores (immature pollen grains).

 

Staminate cone 4x.jpg (512205 bytes)Pinus microsporangia with microspores.

 

 

staminate cone pollen.jpg (563331 bytes)Pinus microsporangium with microgametophytes.

 

 

Pine mature pollen.jpg (265254 bytes)Pinus pollen.  Mature microgametophyte.

 

 

germinated pollen b.jpg (281257 bytes)Pinus pollen.  After germination.

 

 

 

 


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