Radicchio (/ r ə ˈ d ɪ k i oʊ / rə-DIK-ee-oh or / r ə ˈ d iː k i oʊ / rə-DEE-kee-oh, Italian:), sometimes known as Italian chicory because of its common use in Italian cuisine, is a perennial cultivated form of leaf chicory (Cichorium intybus, Asteraceae).