The cactus has a specialized fleshy stem that is specialized to store water for long periods of time and plant tissue that makes this action possible is vascular tissue.
Vascular tissue is a complex conducting tissue made of of more than one cell type and found in vascular plants. The main components of vascular tissue are the xylem and phloem that help in the transport of fluid and nutrients internally.
The vascular tissue in the cactus helps in the transport water to the spines and also stores water for a long period of time. Cacti have roots that are responsible for absorbing water and nutrients from the ground and provide them to the stem that is filled with thick and succulent vascular tissue.
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