Succulence in plants occurs due to lack of adequate supply of moisture together with heat
and sunshine. It is necessary for the plants on high mountains to withstand drought and
vegetation of succulent appearance are commonly seen.
Cacti are a group of plants with peculiar shape and size and mostly adopted for desert
life. The adverse environment has made these plants unusual in appearance and provided
morphological, anatomical, and physiological safeguards to thrive and flourish under such