The shape of leaves
The leaves of yam are not like those of cassava.
recognize a plant by looking at the leaves.
Leaves are simple or compound.
· Simple leaf
The simple leaf can be entire or
Entire simple leaf
Examples: yam , millet, okra., hibiscus,
maize, cocoa, teak, coffee
Lobed simple leaf
Examples: cassava, cotton
· Compound leaf
Look carefully at the drawing of a groundnut leaf. What it shows
is not four groundnut leaves. It is a single leaf.
But this leaf is made up
of a midrib bearing four little leaves.
These little leaves are called
The midrib of a compound leaf is not a stem.
So there is never a
bud between the midrib and the leaflets.