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Different colors
A green cauliflower, in the B. oleracea
Botrytis group, called Romanesco has been commercially available in
Europe since about 1990. Its head is a nice example of a fractal
image in nature, repeating itself in self-similarity at varying
scales.[1] An orange
cauliflower (B. oleracea L. var. botrytis) called Orange Bouquet is
available in North America, sporting 25 times the level of Vitamin
A than white varieties. This variety is a hybrid of a swamp-growing
mutant found in Canada and a standard white cauliflower. Another
orange cultivar goes by the name 'Cheddar'. Purple cauliflower also exists, originating in
Southern Italy. The purple colour is caused by the presence of the
antioxidant group anthocyanin, which can also be found in red
cabbage and red wine.
