... types of grain with pods uniting with seed coat, a common fruit type in the Poaceae family. It is almost like a structural fruit, except that the individual fruits (corn kernels) never merge into a single mass. The kernels are about the size of peas, and stick in relatively even rows around awhite core to produce corn. Each corn is about 10 – 25 cm long (4 – 10 inches), containing about 200 – 400 seeds. The seeds are colored as light black, gray blue, red, white and yellow.