Hands on your ears! This winsome mandrake pair can be found in the fifteenth-century Hortus Sanitatis (in Latin, “garden of health”). Study up on this German text's directions for removing these screaming plants from the ground (pro tip: get your dog to help), and you'll be sure to win high marks from Herbology Professor Pomona Sprout.  The bifurcations in the plants roots, resembling human bodies, have been associated with magical ritual since classical times.