Why Do Cacti Store Water in Their Stems?

Alexander Ross
Alexander Ross
• • 6 min read

Spines Protect Cacti from Animals That Eat Plants and Also Help to Reduce Water Loss by Restricting Air Flow Near the Cactus. Specialized Stems Allow Cacti to...

Why Do Cacti Store Water in Their Stems?
Spines protect cacti from animals that eat plants and also help to reduce water loss by restricting air flow near the cactus. Specialized stems allow cacti to store water for a long time, since rainfall is often sporadic in the deserts that cacti call home.

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Similarly one may ask, how does a cactus store water?

The spines on a cactus help to protect it from humans and animals. Its roots are spread out to collect water when it does rain and it stores water in its body for future use.

Subsequently, question is, where does a cactus plant store water? Primarily, cactuses store water in collapsible-water storage cells found in the stem. However, some cactuses also store water in their roots that are modified to perform this function. The collapsible water-storage cells appear as holes or spaces in the stem and retain water for a fairly long time.

Hereof, why do cacti have thick stems to store water?

Cacti have a thick, hard-walled, succulent stem – when it rains, water is stored in the stem. A thick, waxy coating keeps the water inside the cactus from evaporating. Many cacti have very long, fibrous roots, which absorb moisture from the soil.

Which plant can store water in its stem?

succulents

Related Question Answers

How long can succulents go without water?

Usually, small homegrown succulents can be watered once or twice a week (every 3 days). They can withstand dry condition upto 2 weeks without any apparent sign of stress. Between 2–4 weeks without watering, the plant might begin to shed unnecessary overgrowth like excess branches leaves, or thorns.

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How long can a cactus live?

It turns out they are all fairly long lived plants, but there is quite a variation in their lifespan. Cactus lifespan typically ranges from 10 to 200 years, depending on the species. Cacti growing outdoors in ideal conditions tend to live longer than those cultivated as houseplants.
Alexander Ross

Alexander Ross

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Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.