1	Racemes congested, fleshy and abbreviated, ± covered with leaves.		Brassica oleracea var. botrytis
+	Racemes elongated, neither fleshy nor covered with leaves		(2)
2 (1)	Stem subglobosely thickened at the base of the lower leaves		Brassica oleracea var. gongylodes
+	Stem not subglobosely thickened		(3)
3 (2)	Stem + decumbent, without a dense head of leaves		Brassica oleracea var. oleracea
+	Stem abbreviated, erect with a dense head of leaves before flowering		Brassica oleracea var. capitata