flint corn
flint maize
Yankee corn
Zea mays indurata

Indian corn primarily means maize (the staple grain of indigenous Americans), but can refer more specifically to multicolored "flint corn" used for decoration.

They could just hoe their tough old flint corn and call it a day.

Because flint corn has a very low water content it is more resistant to freezing than other vegetables.

The coloration of flint corn is often different from white and yellow dent corns, many of which were bred later.

Most flint corn is multi-colored.

During this period, they began to cultivate gardens of maize (flint corn in particular) and squash, but no beans.

It sells 350 kinds of seeds - everything from argyrosperma squash to flint corn - as well as Indian tribal handcrafts.

Some wild types will pop, but the cultivated strain is Zea mays everta, which is a special kind of flint corn.

A. You have a bumper crop of flint corn, which is just as hard as its name suggests.

(Popcorn is known as flint corn today, needing heat to expand what little moisture there is, thus causing the pop.)