Teosinte
From Cookipedia
Zea is a genus of plants in the grass family. The best-known species is Z. mays, variously called maize, corn, or Indian corn, one of the most important crops for human societies over much of the world. Several wild species are commonly known as teosintes and are native to Mesoamerica. ( a region and cultural area in the Americas, extending approximately from central Mexico to Belize, Guatemala, El Salvador, Honduras, Nicaragua, and northern Costa Rica)