Upland Cotton (Gossypium hirsutum) - which is actually only one of several species of cotton grown in the world. Cotton is a descriptive term for several plants in the genus Gossypium in the Malvaceae family. While there are about 4 main cultivated species, Upland Cotton constitutes 90 percent of worldwide production. As it turns out Upland Cotton is native to the Americas. The first discovered cultivar of this species was in Mexico about 5,000 years ago.