Question

What do you mean by incision of lamina?

Answer 1

In a compound leaf the fibrovascular framework branches as in the case of venation and the strong branch ribs (the costas or immediate branches from them) are winged, provided with lamina, forming leaflets. These leaflets are usually art Incisions of lamina means V shaped cuts of leaf blade. Here it refers when leaf blade is has cuts in such a way that these cuts reach upto mibrib of leaf. This is the characteristic of compound leaves.  

Answer 2

A leaf consists of a broad expanded blade known as the lamina. Leaves are very diverse when it comes to size, shape and blade margins.

Incision of lamina refers to a leaf blade that has cuts in such a way that it goes up to the midrib. This margin is cut into deep, irregular teeth.