living rock Meaning, Definition & Usage
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       noun usually unbranched usually spineless cactus covered with warty tubercles and having magenta flowers and white or green fruit; resembles the related mescal; northeastern Mexico and southwestern United States
       
       
 Ariocarpus fissuratus.
 
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       noun highly succulent stemless clump-forming plants with grey-green leaves similar in texture to lumps of granite; South Africa
       
       
 stone mimicry plant; living granite.