Evolution of Stamen

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Evolution of stamen in the Angiosperms proceeded from foliar to filamentous form. The power point show illustrates the different stages of evolution of stamen.

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Slide 1: 

Evolution of Stamen Chile

Slide 2: 

Progressive stages of the evolution in stamen Chile

Slide 3: 

Now see the stages of evolution one by one Chile

Slide 4: 

Leafy stamen Anthers at the centre of lamina Chile

Slide 5: 

Width of lamina reduces Chile

Slide 6: 

Anthers shifted to the margin Lamina reduces Chile

Slide 7: 

Anthers shifted to the margin Lamina reduces Chile

Slide 8: 

Shifting of anthers to the top Reduction of lamina Chile

Slide 9: 

Shifting of anthers to the top Reduction of lamina Chile

Slide 10: 

Anthers shifted to top of the stamen Lamina forms filament Chile

Slide 11: 

Now have a look on different stages again Chile

Slide 12: 

Chile