- kale, kail, cole, borecole, colewort, Brassica oleracea acephala - a hardy cabbage with coarse curly leaves that do not form a head
--1 is a kind of crucifer, cruciferous plant
--1 is a member of Brassica, genus Brassica
--1 has particulars: collard - kale, kail, cole - coarse curly-leafed cabbage
--2 is a kind of cabbage, chou
--2 has particulars: collards, collard greens