(Broccoli, Cabbage, Cauliflower, Collards, Kale, Kohlrabi)
Cabbage, kale, collard greens, broccoli, cauliflower, Brussels sprouts, kohlrabi, and other important green vegetables all descend from this short-lived perennial from coastal areas of western and southern Europe.
In the wild, Brassica oleracea forms dense over-wintering rosettes of large, fleshy, lobed, gray-green leaves, which give rise in spring to tall spikes of pale yellow, four-petaled flowers. Developed over many centuries, cultivated forms may have loose or densely packed rosettes...