Ferocactus echidne
Encyclopedia
Ferocactus echidne is a barrel cactus
Barrel cactus
Barrel cacti are classified into the two genera Echinocactus and Ferocactus, both of which are found in the Southwest Desert of North America. Their pineapple-shaped fruits can be easily removed but are not recommended for eating. The barrel cactus may reach over a metre in height. Its ribs are...

 in the genus Ferocactus
Ferocactus
Ferocactus is a genus of large barrel-shaped cacti, mostly with large spines and small flowers. There are about 30 species included in the genus. They are found in the southwestern United States and northwestern Mexico. The young specimens are columnar but as they grow older ribs form and they take...

. It is found in nature in Mexico. This cactus is known commonly as "Sonora Barrel," "Coville's Barrel Cactus," "Emory's Barrel Cactus," and "Traveler's Friend." Alternatively is has been assigned the binomials Echinocactus emoryi, Ferocactus rectispinus, and Ferocactus covillei.

This plant is often sold as a houseplant
Houseplant
A houseplant is a plant that is grown indoors in places such as residences and offices. Houseplants are commonly grown for decorative purposes, positive psychological effects, or health reasons such as indoor air purification...

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