Question

define the term leaf venation.write the types of venations in a leaf​

Answer 1

Explanation:

Venation is the phenomenon of arrangement of veins in the lamina of the leaf surface. It is of three types, reticulate, parallel and furcate venation. In reticulate venation, veins form the network like structure.

Answer 2

Answer:

The arrangement of veins and veinlets on the lamina of a leaf is called venation. There are two types of venation, reticulate and parallel venation.

Reticulate venation: in some leaves, the veins and veinlets are irregularly distributed over the entire lamina, forming a network. Such leaves are said to have reticulated venation.

Parallel venation: in some leaves, the veins and veinlets run parallel to each other. Such leaves are said to have parallel venation.The design made by veins in a leaf is called leaf venation. ... For example, mango leaf, gram leaf. (ii) Parallel venation: If the veins are parallel to each other or to midrib then such type of venation is called parallel venation.

For example, wheat leaf, barley leaf.There are two types of venation, reticulate and parallel venation.