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nounany cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil
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Definition that contains echinocactus
- hedgehog cactus cactus of the genus Echinocactus having stout sharp spines
- barrel cactus any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil
- echinocactus any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil