What are the Medicinal Properties of Cayenne Pepper (Capsicum Annuum)? Introduction Cayenne Pepper is commonly known as chili pepper and usually used to add flavor to the dishes. It is a type of capsicum which grows 10-25cm in length. This herb is mostly red in color, skinny and has a curved tip. Its skin is rippled and hangs down from the bush. These chilies are plucked, dried and grounded into powdered form in order to use it in cooking. It