Haworthia
Special plant with vertically lined up tubercles. It used to know by the name Haworthia reinwardtii/coartctata fa. bellula (collected by GG Smith ). Bayer considers it a one off clone.
Information and photographs of succulent plants. Some of the pictures are mine but most are not. Click on the image to go the photographer's page. (If you want me to remove an image of yours just leave me a comment asking and I'll delete it right away)