It is an agricultural plant from wheatgrass, whose stem is thick and nodular, can reach two meters in height, with pointed and long leaves like a strip, male flowers are in clusters at the top, and female flowers are in the form of cobs between the stem and the leaf.

The biological value of lysine and tryptophan protein in maize is also under the limiting effect of amino acids. Crude oil in its grain is the nutrient that gives the highest value after oats. It originates from Mexico and Central America. Classification is made by looking at the shape of the ear, grain shape, grain size, spacing between the rows, spacing at the end of the ear and color of the shell.

It is an annual herbaceous plant and can be between 1.5-3 meters in height depending on the region where it grows. The leaves are in the shape of a long thin spear, tapering towards the tip. The margins of the leaves are entire, wavy, with a grayish-white large main vein running from the center and a dozen left and right lateral veins running parallel to it. The male and female flowers stand separately, but on the same plant. The female flowers are tassels emerging from the cob. Its fruit is called a corncob for short, and 100-200 corn seeds are lined up on this husband.