Argyroderma is a genus of plants in the Aizoaceae family that sometimes go by the name of "living rocks" or "stone Plants." These succulent plants are native to South Africa and are popular among cacti and succulent plant growers for their unique shapes and colorful flowers. What appeals to most people is the fact that the plants will often resembles stones or other geological features of the land they are native too. The plants evolved to look like stones and rocks in order to evade detection and consumption by animals.