living rock

Noun

• highly succulent stemless clump-forming plants with grey-green leaves similar in texture to lumps of granite; South Africa

• 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

Related words

• Synonyms: 
  living granite , stone mimicry plant , Ariocarpus fissuratus