Echinocactus cacti. Cacti are plants that have evolved in arid environments. They have tissues adapted to 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. Echinocactus are an example of barrel cacti | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Hellier, Chris |
Taille de l’image : | 5061 px × 3514 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |