The Barrel Cactus is a type of cactus that is easily recognized by its round, barrel-like shape. It typically grows in arid regions of the southwestern United States and Mexico. These cacti can reach heights of up to 10 feet and are covered in sharp spines that protect them from herbivores. They store water in their thick, fleshy stems, allowing them to survive long periods of drought. Barrel cacti produce vibrant flowers that bloom in the spring and summer, attracting pollinators like bees and hummingbirds. Some species, such as the California Barrel Cactus, are known for their bright yellow or red flowers. The fruit of the barrel cactus is edible and can be consumed by both humans and wildlife.