echinocactus(redirected from Homalocephala)
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|Noun||1.||echinocactus - any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil|
cactus - any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines
genus Echinocactus - globular or cylindrical cacti; southwestern United States to Brazil
hedgehog cactus - cactus of the genus Echinocactus having stout sharp spines