- Water Lilies
- Fewer lignified support tissues as water acts as a supportive medium.
- Xylem vessels are poorly developed as there is no need for a transport system of water.
- The stomata are on the upper surface of the leaves as the lower surface is partially or fully submerged in water.
- The stems and leaves have large air spaces, continuous down the roots, forming a reservoir of carbon dioxide and oxygen, providing buoyancy.