Barrel Cactus
T
he pleated shape of the Barrel Cactus allows it to expand when it rains and store water in its spongy tissue. It shrinks in size during dry times as it uses the stored water.
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Copyright © 2002 Missouri Botanical Garden
The
pleated shape of the Barrel Cactus allows it to expand when it rains and
store water in its spongy tissue. It shrinks in size during dry times as
it uses the stored water. 
