kale plant
collard plant
Brassica oleracea L. var. viridis L.
Collard greens are various loose-leafed cultivars of *Brassica oleracea* (Acephala Group), the same species as cabbage and broccoli. The plant is grown for its large, dark-colored, edible leaves and as a garden ornamental, mainly in Brazil, Portugal, the southern United States, many parts of Africa, Montenegro, Bosnia and Herzegovina, southern Croatia, Spain and in Pakistan, as well as in Kashmir region of both India and Pakistan. They are classified in the same cultivar group as kale and spring greens, to which they are closely similar genetically. The name "collard" is a shortened form of the word "colewort" (cabbage plant).
WIKIPEDIA:Borekale
CCPR:
borekale
brassica oleracea var. viridis
cow cabbage
fodder kale
portuguese kale
requires discussion