Indian corn and Zea mays rugosa

Indian corn noun - Tall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times.

Zea mays rugosa and Indian corn are semantically related. In some cases you can replace phrase "Zea mays rugosa" with "Indian corn", this phrases are similar.

Zea mays rugosa noun - A corn plant developed in order to have young ears that are sweet and suitable for eating.

Indian corn and Zea mays rugosa are semantically related. You can use "Indian corn" instead a noun phrase "Zea mays rugosa".