For purposes of this chart, crops with seeds such as tomato, cucumber, ochro, pumpkin, melongene and peppers, though technically fruits, are included since they are generally considered as vegetables.
Sweet potato and cassava rank among the world's 7 most important food crops, along with wheat, rice, maize, potato and barley.
There are many varieties of some crops such as hot peppers, basil, and mint. Only the most common are shown.
Only the more commonly grown crops are included in this chart. Therefore those such as lima beans, black eye, mung bean/bean sprouts and urdi are excluded.