Haworthia arachnoidea is a succulent plant with numerous leaves, which are uniformly dark green with no translucent area and leave tips, occasionally drying and forming a protective cover for the rosette. Leaves margins and keels are with translucent spines. Size of the rosettes can reach up to 7 inches (18 cm) in diameter. It is usually solitary or very slowly offsetting plant.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz