Meaning of hedgehog cactus

hedge'hog cac"tus

Pronunciation: [key]
  1. any of various rounded, usually spiny cacti of the genus Echinocereus, of the southwestern U.S. and Mexico, having bell-shaped flowers that close at night.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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