English:

is a remarkable species whose radically varying cultivars, hardly recognizable as being members of a single species, include cabbage (Capitata Group), cauliflower (Botrytis Group), kale and collards (Acephala Group), kohlrabi (Gongylodes Group), brussels sprouts (Gemmifera Group), Chinese broccoli (Alboglabra Group), and broccoli (Italica Group).