stone-face
       n : any plant of the genus Lithops native to Africa having
           solitary yellow or white flowers and thick leaves that
           resemble stones [syn: lithops, living stone, stoneface,
            stone plant, stone life face, flowering stone]
  stoneface
       n : any plant of the genus Lithops native to Africa having
           solitary yellow or white flowers and thick leaves that
           resemble stones [syn: lithops, living stone, stone-face,
            stone plant, stone life face, flowering stone]