Compound Leaves

Compound leaves are a type of leaf in which the leaf blade is divided into multiple leaflets. Each leaflet is attached to a common leaf stalk or petiole. This type of leaf arrangement is found in many plants and trees.

Structure of Compound Leaves

Compound leaves consist of a main axis or rachis, which supports multiple leaflets. The arrangement of leaflets can be either pinnate, palmate, or bipinnate, depending on the pattern in which the leaflets are arranged along the rachis.

Types of Compound Leaves

There are two main types of compound leaves:

• Pinnately compound leaves: In this type, the leaflets are arranged on either side of the rachis, resembling a feather.
• Palmately compound leaves: In this type, the leaflets are attached at a single point at the tip of the petiole, resembling the fingers of a hand.

Functions of Compound Leaves

Compound leaves have several advantages, including efficient use of space, increased surface area for photosynthesis, and better resistance to damage.

Study Tips

When studying compound leaves, it's important to:

• Understand the structure and arrangement of leaflets in pinnate and palmate compound leaves.
• Learn the functions and advantages of compound leaves in plants and trees.
• Observe and compare different examples of plants with compound leaves to identify the variations in leaflet arrangement.