The Great Deserts

See more; pages 1, 2, 4, 5, and 6
A typical Sonoran landscape with ocotillos and cholla cacti.
A delicate hedgehog cactus flower among its long and sharp spines.

A small barrel cactus is easily stepped on!

Note the long spines of this cholla cactus.
Fishhook cactus gets its name by its curved spines.
8 May 2001
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