Gossypium hirsutum Linn., Sp. Pl. ed. 2. 975. 1753. Hutch. et al., l.c. 40.
Erect, usually annual herbs, all parts with ± dense, simple, spreading hairs, glabrescent, stem green or tinged red. Leaves 3-10 cm long, broader than long, somewhat orbicular, 3(-5)-lobed, upper ones sometimes entire and ovate, on both sides simple and stellate hairy, glabrescent; lobes ovate, long acuminate; stipules ovate or lanceolate, 6-10 mm long, 2-5 mm broad, long acuminate; petiole 3-10 cm long. Flowers axillary, solitary; pedicel 1-1.5 cm long, in fruit up to 2.5 cm long. Epicalyx segments large, foliaceous broadly ovate, cordate at base, 2-4 cm long, 1.5-3 cm broad, laciniate; teeth long, linear to lanceolate. Calyx cupular, 6-7 mm long, usually toothed. Corolla pale yellow, 5-6 cm across; petals 4-5.5 cm long, 3.5-4.5 cm broad, obovate. Capsule 3-4 cm long 2-3 cm broad, ovoid, beaked, coarsely pitted,3-5 celled. Seeds 3-5 mm long, ovoid, fuzzy, white linted. lint firmly attached.
Holotype: Miller s.n. (BM n.v.).
Distribution: Cultivated in Tropical North and Central America, introduced into tropical countries of the Old World.
It is extensively cultivated in Pakistan.