Blossoms of Fishhook Barrel Cactus (Ferocactus wizlizenii).

Unlike other Sonoran desert cactus species, this one waits until the monsoon season to bloom. The plant, typically 3' tall (although it can reach a height of 6' ), tends to lean toward the south-west. Some specimens are 100 years old. The fruit is an important food source for birds and rodents.

 

Pima County, Arizona.

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