Saturday, June 7, 2008

Desert plant Cactus

There are many kinds of cactus plants, but most grow in deserts and other dry places. These plants have adaptations, or special features, that let them live in places where there is little water.

Imagine only having to take one big drink of water two or three times a year. That’s all the water a cactus plant needs. The cactus is made up mostly of stems and roots. Most kinds of cactus have no leaves or leaves that are very small. The cactus is made for storing water, and water can escape through leaves.

The roots of a cactus spread out close to the surface of the ground. When it rains, the roots soak up as much water as possible. Cactus plants do not grow close to one another. Each plant needs lots of room to collect water. The stem of the cactus stores the water for later use.

TYPES OF CACTUS

Prickly pear cacti:

Cholla Cacti:

Pincushion Cacti:

Hedgehog Cacti:
Barrel Cacti:

Columnar Cactus:

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