Wheat: Wheat is a grass widely cultivated for its seed, a cereal grain that is a worldwide staple food.The many species of wheat together make up the genus Triticum; the most widely grown is common wheat (T. aestivum). The archaeological record suggests that wheat was first cultivated in the regions of the Fertile Crescent around 9600 BCE. Botanically, the wheat kernel is a type of fruit called a caryopsis. Health Benefits of Wheat: Wheat is a good source of carbohydrates and some vitamins and minerals. Whole wheat, in particular, has many benefits for your health. High in carbohydrates. Carbohydrates are important to your health. Your body needs carbs to work properly. The Dietary Guidelines for Americans say that 45% to 65% of your total daily calories should be carbohydrates