AP BIOLOGY

Detailed explanation-1: -When only a single blade is inserted directly on the petiole, the leaf is called simple. The margins of simple leaves may be entire and smooth or they may be lobed in various ways.

Detailed explanation-2: -A simple leaf is described as a single lamina attached to a stem by one petiole. There is no division in the lamina or leaf blade. Some examples of simple leaves include pear, oak, guava, and oregano.

Detailed explanation-3: -Compound leaves. Simple leaves are single leaves that can not subdivide into leaflets. These leaves attach to a twig with the help of the petiole or stem. Compound leaves can divide to mid-vein and form multiple leaflets or blades on a common rachis.

Detailed explanation-4: -Leaves. Simple leaf: A leaf with a single leaf blade is called a simple leaf or a solitary leaf. The leaf blade may be entire or dissected into lobes or divided pinnately or palmately as shown below.