Difference between Stomata and Hydathode
| Stomata | Hydathode |
| 1. These are present in the epidermis of leaves and young parts of the stem. | 1. These are present at the tips and margins of leaves. |
| 2.These are surrounded by chlorophyll-bearing cells called guard cells. | 2.These are surrounded by non-chlorophyllous cells. |
| 3. Stomatal cavity is found below each stomata. | 3. A mass of loosely arranged epithem is found behind each hydathode. |
| 4. There may be subsidiary cells surrounding each stomata. | 4.There are no subsidiary cells. |
| 5. A stoma is not directly connected with veins. | 5. These are found at the vein ends. |
| 6. Opening and closing are regulated by guard cells. | 6. No such regulatory mechanism exists. |
| 7. Stomata give off the water in the form of vapour. | 7. Hydathode gives off water in liquid form. |