Parts of a Leaf

Leaves are essential for plants. All leaves trap light and use it to change water and carbon dioxide into food.

The main parts of a leaf are the petiole, blade, midrib, veins, and margin. Each has a specific role.

Petiole connects a leaf to the stem.

Blade is where photosynthesis takes place.

Midrib supports the leaf from the middle.

Margin is the edge of the leaf.

Vein transports water, minerals, and food throughout the leaf. It helps the leaf keep it shape.