A compound leaf whose rachis is unbranched is called unipinnate compound leaf. One-sided compound leaves are of two types. These are-
Pinnate compound leaves: If there is no leaflet at the apex of the rachis of a compound leaf, it is called a pinnate compound leaf. For example, monkey sticks.
Compound leaves: Compound leaves are called compound leaves if there are leaflets at the apex of the rachis. For example, rose.
