On Food and Cooking

leaves
Escarole: open cluster of moderately
broad leaves

The Cabbage Family: Relationships   and

Pungencies

Botanical nomenclature is constantly
evolving, especially in complicated groups
like the cabbage family. Though particular
names may change, the broad relationships
shown here seem secure.

Mediterranean   origins

Brassica oleracea
Cabbage (var. capitata)
Portuguese cabbage (var. tronchuda)
Kale, collards (var. acephala)
Broccoli (var. italica)
Cauliflower (var. botrytis)
Brussels sprouts (var. gemmifera)
Kohlrabi (var. gongylodes)