Echinocactus is a genus of barrel cacti in the subfamily Cactoideae. The generic name derives from the Ancient Greek "echinos", meaning "spiny". The genus is native to southwestern United States and northern Mexico.
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Echinocactus platyacanthus (Giant Barrel Cactus) is a slow-growing cactus up to 8.2 feet (2.5 m) tall and up to 5 feet (1.5 m) wide. The…
Echinocactus horizonthalonius (Eagle's Claw) is a relatively small barrel cactus up to 18 inches (45 cm) tall and up to 8 inches (20 cm)…
Echinocactus texensis (Horse Crippler) is a stout barrel cactus, solitary when young and very rarely slowly clustering in age. The stem is…
Echinocactus grusonii (Golden Barrel Cactus) is a cactus with a slow-growing, usually solitary, globe-shaped stem that became barrel…