The arrangement formed by veins on the leaves is called leaf venation. There are two types of venation are as follows:
(i) Reticulate venation - In reticulate venation, veins are arranged in the form of a network, e.g., Mango, peepal, etc.
(ii) Parallel venation - In parallel venation, veins are arranges in parallel to each other, e.g., grasses, banana, etc.