The arrangement of the pattern of veins in a leaf is called
grass, palm
Dalbergia
Argemone
Mangifera
The arrangement of the pattern of veins in a leaf is called venation. Phyllotaxy is the arrangement of leaves on a stem.
There is specific pattern of arrangement of veins in the lamina of the plant. What is/are the role(s) of such arrangement of veins on leaves?