No and yes. Corn is pretty well understood to be an intensively selected
form of a wild grass still found in the Valley of Mexico (Mexico City area)
called teocinte (maybe misspelled). This plant is uncommon but looks like a
super-skinny version of modern maize. Corn cobs exist as archeological
artifacts going back at least several thousand years, with the ones from the
time of European contact being obviously identifiable as "corn". My yes
above is to the statement about corn being dependent on cultivation; when
left to natural selection, corn will quickly revert to a form not so
different from teocinte.
--Bruce Stallsmith
Huntsville, AL, US of A
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