There are basically nine types, or subspecies, of maize:
No. it's not. They are two different varieties of corn.
Rust mainly affects wheat. Rust of different varieties are caused by various fungi. Smut is caused by fungus. They affect grasses notably including cereals like maize.
Polenta is a type of Italian maize meal, there are two varieties of polenta, namely white and yellow.
You mean edible plants? Some of them include corn (maize), beans, tomatoes, avocados and several varieties of squash.
William H. Hatheway has written: 'Races of maize in Cuba' -- subject(s): Corn, Varieties
Maize comes in several varieties of corn. Sweet corn which is a type of maize has a high sugar content with 125 calories in just one cup. Guinea corn is also a grin that is high in calorie content with 163 calories in one quarter of a cup.
B. R. Taylor has written: 'A comparison of maize varieties and soil productivity levels in Northern Nigeria.'
Maize Maize Maize
The Maya grew maize (several varieties), along with squash, cocoa beans, tomatillos, beans and potatoes.
pineapples , potatoes, various grains, Maize (corn), Legumes, Cotton...
corn
Grains come from various grasses. Corn (Maize) comes from cross breeding two different grasses growing wild in Mexico, one an annual and one a perennial. Wheat comes from cross breeding three grasses that grow wild on the plains of Russia. The ancestors of rice and oats have not yet been found. There are over 5,000 varieties of rice. To have that many varieties, undoubtedly the plant had many ancestors.