Natural Spices Cayenne pepper ground comes from a plant belonging to the Capsicum annuum variety. It is one of the many types of chilli peppers and is a pure, ground Spanish pepper. It is also called red pepper. Cayenne pepper owes its name to the capital of French Guiana. It has a very spicy taste. You use it to add a large portion of spice to your meal. The peppers, ground into powder, can best be used in large doses.