Comparison between thorn and spine
|
Spine |
Thorn |
| Spines are modifications of leaves or parts of leaves.
Their function is protection and also prevent excessive water loss. Does not deeply seated and not connected to vascular bundle Exogenous in origin |
Thorns are modifications of branches
Protection as well as climbing organ of plant
Deeply seated and connected to vascular bundle Endogenous in origin from inner tissues |
