Barrel Cactus — Image taken along the Esperero Trail in the Santa Catalina mountains by kenne
This is a common site in the Sonoran Desert. Mature barrel cactus can grow to over three feet and weigh several hundred pounds. They do take on a lot of water, but that they have a shallow root system and tend to lean toward the should can result in the leaning weight become too much for the root system to hold it upright.
kenne
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