Which of the following layer of microsporangium provides nourishment to the developing anther?
Option 1 : Middle layers
Option 2 : Tapetum
Option 3 : Endothecium
Option 4 : Epidermis
Which of the following layer of microsporangium provides nourishment to the developing anther?
Option 1 : Middle layers
Option 2 : Tapetum
Option 3 : Endothecium
Option 4 : Epidermis