- Part of the leaf by which it is attached to the stem or branch is known as Petiole .
- It is also known as leaf stalk.
- The broad, green part of the leaf is known as Lamina
- It is also known as leaf blade.
- Visible line in the middle of the leaf blade is known as the main rib.
- Mid rib is also known as the main vein.
- Various lines found on the leaf are known as veins
- They spread from the mid rib to other parts of the leaf and their function is to transport various substances throughout the leaf.