| 1. barrel cactus | |
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A cactus of the genus Ferocactus: unbranched barrel-shaped cactus having deep ribs with numerous spines and usually large funnel-shaped flowers followed by dry fruits
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| 2. barrel cactus [ Synonyms: echinocactus] | |
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Any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil
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