What Is Considered A Chili Pepper?

What Is Considered A Chili Pepper? Chili pepper, any of several species and cultivars of very hot, pungent peppers in the nightshade family (Solanaceae). … Many of the most-common chili peppers are cultivars of Capsicum annuum, including the cayenne, jalapeño, serrano, and Thai chili peppers. Some of the hottest chili peppers are cultivars of C.