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Ferocactus is a genus of approximately 30 species of flattened, spherical, or columnar, perennial cacti from mountainous and lowland areas of Guatemala, Mexico, and the Southwestern United States with prominent, spiny ribs and large, funnel- or bell-shaped flowers in summer.
Click on any of the 2 plants listed below in the genus Ferocactus to read more about that plant, or go back to the genus a-z.
Ferocactus cylindraceus (California barrel cactus) | ![]() |
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Ferocactus wislizenii (Candy barrel cactus) | ![]() |
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