Senecio kleiniiformis, also known as Spear Head, is a slow-growing succulent that has ascending or trailing branches and soft fleshy foliage. Tetragonia Tetragonioides is a slow-growing succulent that forms a dense carpet on the ground. Stapelia leendertziae ("Black Bells") is an attractive succulent. This plant forms large clumps containing green, shortly pubescent stems. The stems should dry before you start propagating to prevent fungus and bacteria. We have something to tell you before you go. You should cut the bottom leaves of your plant one to two inches.