Data Species | Epidermal No | Stomata No. | Stomata types | Subsidiary cells | Stomata length (mm) | Stomata width (mm) | Stomata index (%) |
H. arbainense | 20 | 12 | Paracytic | Teteacytic | 10 | 5 | 28.57 |
H. longiflorum | 35 | 14 | Anisocytic | Actinocytic | 9 | 6 | 36.00 |
H. petrocarpum | 32 | 18 | Anomocytic | Teteacytic | 19 | 17 | 41.66 |
H. strigosium | 32 | 22 | Anomocytic | Teteacytic | 17 | 13 | 40.70 |
H. zeylanicum | 28 | 20 | Anomocytic | Tetracytic | 7 | 5 | 37,50 |
H. jizanense | 43 | 35 | Anisocytic | Teteacytic | 13 | 11 | 39.09 |
H. lasiocarpum | 53 | 34 | Anisocytic | Teteacytic | 15 | 12 | 44.87 |