Sometimes listed as the form 'Royal Red', this selection of red-tinged African Milk Tree makes a striking succulent, especially when it gets large. Native to the central part of the continent of Africa, a lot of people mistakenly assume this plant is a cactus. It will often drop its small leaves during prolonged dry spells. The stems/branches have 3 wings, or angles. Short sharp spines and the leaves are attached on these ridges. African Milk Tree can take watering a little more often than most succulents. Being a Euphorbia, some people have a reaction to its milky sap. So, children and pets should be kept away.