1. Any plant of the genus Lithops native to Africa having solitary yellow or white flowers and thick leaves that resemble stones
   "The stoneface plant's camouflage made it nearly invisible among the pebbles";
   - lithops, living stone, stone-face, stone plant, stone life face, flowering stone

Derived forms: stone-faces

Type of: succulent

Part of: genus Lithops

Encyclopedia: Stoneface