Q. 43.8( 4 Votes )
Draw the diagram
The diagram of a microsporangium and labelling of its wall layers is as follows:
Role of endothecium:
i. Endothecium helps in dehiscence of anther.
ii. It is fibrous layer of cells lying below the epidermis of the wall of the anther.
iii. At maturity these cells loose water, contract and help in dehiscence of pollen sac.
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