Cactus plant spines. Cacti are adapted to arid environments, and have tissues that minimise water loss. Cactus leaves are reduced to narrow spines, an

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Cactus plant spines. Cacti are adapted to arid environments, and have tissues that minimise water loss. Cactus leaves are reduced to narrow spines, and the plant surface is covered in a thick, waxy outer layer. Many cacti also have a means of storing water. Photographed in Spain.

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Size: 4283px × 5710px
Photo credit: © STEVE ALLEN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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