Question

what is venation and give two types of venation

Answer 1

venation is nothing but the arrangemnet of veins in the leaf...
there are two types of venations.. they are parallel and reticulate venation.
in parallel venation, the veins are parrallel to eachother... ex:rice,grass
in reticulate venation, all the veins looks like arising from the main vein... ex:lotus

Answer 2

venation is the arrangement of leaves .

the two types are-

1. reticulate venation

2. parallel venation