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"The cayenne pepper, also known as the Guinea spice, cowhorn pepper, aleva, bird pepper, or especially in its powdered form, red pepper, is a cultivar of Capsicum annuum related to bell peppers, jalapeños, paprika, and others. The Capsicum genus is in the nightshade family. It is a hot chili pepper used to flavor dishes. It is named for the city of Cayenne in French Guiana." Read more from Wikipedia...