This succulent is a hybrid between E. pulidonis and an unknown species of Echeveria. There are many types of barrel-cacti. But wislizeni seems to be the most delicious. You can only water your cactus from this container. A lot of succulents naturally grow this way and it's part of their charm. It is important to keep your cactus in the same orientation when you replant it. Senecio Vitalis requires watering more often than other succulent plants. To keep track of this task, make sure to take notes about when your last watered the plant. The drainage holes in the pot should be adequate.