| a) Entire leaf with stipules modified into spines; | i) Clematis |
| b) Leaf except stipules modified into tendril | ii) Citrus |
| c) Stipules modified into tendrils | iii) Euphorbia |
| d) First leaf of axillary bud modified into spine | iv) Lathyrus |
| - - - - | v) Smilax |