They are annual or vivacious plants, herbaceous and even arboreas, according to the species and environmental conditions. they live almost all the subtropical regions of the globe. after rapid flowering, the fruits are formed (capsualas), which contain a mass of fine hairs (fibers). When drying, the capsules open and a soft cotton cloud appears, which is collected by hand or machine; then it is passed through a gin (to separate the seeds from the fiber), cleaned, carded and spun. Of the four varieties of cotton cultivated today, the American Upland and the Egyptian Jumel are the most important. The first represents 85% of the world cotton production
