| Dorsiventral (Dicot) Leaf | Isobilateral (monocot) Leaf |
| 1. Stomata are absent or less abundant on the upper side. | 1. The stomata are equally distributed on both sides. |
| 2. Mesophyll is differentiated into two partsupper palisade parenchyma and lower spongy parenchyma. | 2. Mesophyll is undifferentitated. |
| 3. Bundle sheath is single layered and formed of colourless cells. | 3. Bundle sheath may be single or double layered. |
| 4. Hypodermis of the mid-rib region is collenchymatous. | 4. Hypodermis of the mid-rib region is sclerenchymatous. |
