Question

describe development of male gametophyte

Answer 1

Development Of Male Gametophyte

• The pollen grains or microspores are produced with in the anther of the stamen.

• A typical anther consist of four microsporangia.

• The four lobed anther begins its development as an undifferentiated mass of parenchyma cells.

• These cells are surrounded by an epidermis.

• The newly formed epidermis becomes two lobed and then four lobed.

• The wall of anther is multilayered and is composed of;

1. Epidermis
2. Endothecium
3. Middle layer
4. Tapetum.