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Gossypium herbaceum is one of the cultivated cotton species. This short-lived and fast-growing perennial shrub can grow up to about 5 ft (1.5 m) tall. It has trilobed or palmate leaves and yellow
Gossypium herbaceum is one of the cultivated cotton species. This short-lived and fast-growing perennial shrub can grow up to about 5 ft (1.5 m) tall. It has trilobed or palmate leaves and yellow hibiscus-like flowers. It produces capsules that split open when ripe and that display a loose tuft of white filaments, that constitute the cotton.
This plant likes a long, hot growing season to correctly grow and produce good fibers. Moreover, it is very cold tender and should be grown in frost-free climates. Elsewhere, it can be grown as an annual plant.
Gossypium herbaceum, commonly known as Levant cotton, is a species of cotton native to the semi-arid regions of sub-Saharan Africa and Arabia where it still grows in the wild as a perennial shrub. It is a sister-species of Gossypium arboreum.
G. herbaceum has high stems that grow 2 feet (0.61 m) to 6 feet (1.8 m) high with wide, hairy leaves. Their flowers are small and yellow with a purple center. The plant exhibits extrafloral nectaries (calyculal nectaria, found on the receptacle, near the base of the calyculus).
When ripe and in warm weather, the flower capsule will burst and expose the cotton surrounding the seeds firmly. The cotton produced by this plant is short, about 2 inches (5.1 cm) long and is firmly attached to the seed, which is covered in hairy down. An acre of cotton can be expected to produce about 300 pounds (140 kg).
Cotton fibers grow from the surface of the seeds and can be separated from these by hand or mechanically; the long fibers are called lint. The cotton fibers are constituted of nearly pure cellulose. The main use of cotton lint is as a textile for clothing. The fibers are spun into yarns and these are woven into fabrics, in the farm or house or in factories. Cotton as a fabric is much appreciated because of its comfortable, breathable properties, its resistance and also because it is easily stained.
The cotton plant itself has medicinal uses and can be cultivated traditionally, in house backyards, for, e.g., women's menstrual cycle pains and irregular bleeding. It is also known to be used after birth to expel the placenta and to increase the lactation, as well as for gastrointestinal issues, such as hemorrhages and diarrhea, for nausea, fevers, and headaches.
In the Levant seeds of Gossypium herbaceum were also used for food, feed or oil extraction. Cotton seeds, containing up to 20% oil and 20% proteins, are potentially highly rich as food or feed. Nevertheless, small glands present in all the plant organs of the Gossypium species, except the roots, and especially abundant in the seeds, contain toxic chemicals, in particular, the polyphenolic compound Gossypol. The gossypol is highly toxic to animals and is an element of the plant's direct defense system against herbivorous arthropods. It can cause severe growth and development disorders in humans as well as domestic animals, particularly monogastric animals, while polygastrics are more or less tolerant. For this reason, using oil or whole seeds for human nutrition is dependent upon some way of elimination of the gossypol, through heating or other treatment. The gossypol extracted from cotton seeds has potential use as a male contraceptive but can cause irreversible infertility after repeated use. In lab rat studies, it has been able to stop early pregnancies.