The wild teosinte ancestors of corn are nigh-indistinguishable from dozens of other kinds of wild grasses in Mexico and Central America. The red and glass gem f

The wild teosinte ancestors of corn are nigh-indistinguishable from dozens of other kinds of wild grasses in Mexico and Central America. The red and glass gem field corns are usually new varieties developed in the last century or so, comparable to roses in this analogy. Pretty much the only commonly available product made from heritage varieties is blue cornmeal, which usually comes from puebloan blue varieties still cultivated commercially.