Sheathing leaf base is found in $-$

When the apex is pointed,hard and sharp like a spine as in Date Palm,it is called

The reticulate venation is commonly found in the leaves of

Assertion : $A$ simple leaf has undivided lamina.
Reason : Leaves showing pinnate and palmate venation have various types of incisions.

Phyllode is found in $..........$.

Leaves of dicotyledonous plants generally exhibit: