Contains 1 accepted taxa overall.

Characteristics
Gossypium L.
COTTON
Classification
MALVALES
Gossypium
Citation
GOSSYPIUM Linnaeus, Sp. Pl. 693. 1753.
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TYPE: Gossypium arboreum Linnaeus Lectotypified by Britton & Millspaugh, Bahama Fl. 273. 1920.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Gossypium hirsutum UPLAND COTTON; WILD COTTON Native Threatened-State FACU (NWPL)
[Family identification key]
1.  Leaf blades shallowly to moderately deeply lobed, the lobes acuminate and usually broadest at their base; bracts of the involucel 5-19-laciniate, free; tetraploid (subgenus Karpas)
2
1.  Leaf blades moderately to deeply lobed, the lobes acute to acuminate and usually narrowed or constricted at their base; bracts of the involucel entire, 3-7-laciniate, or 5-13-dentate, free or sometimes connate basally; diploid (subgenus Gossypium)
3
2.  Stipules 1-5 cm long; leaf blades with 3-7 lobes, the central lobe ovate to lanceolate and usually >1.5 times as long as wide; bracts of the involucel 5-17-laciniate, the teeth acuminate from the base, separated by rounded sinuses; calyx usually truncate, to 10 mm long (excluding teeth); petals usually yellow at anthesis with a reddish or purplish basal spot; fruit usually with 3 locules, narrowly ovoid, mostly elongate, pitted; cultivated
2.  Stipules 0.5-1.5(2) cm long; leaf blade with 3-5 lobes, the central lobe triangular to ovate and usually 1-1.5 times as long as wide; bracts of the involucel 3-19-laciniate, the teeth triangular and acute or lanceolate and acuminate distally, separated by mostly acute sinuses; calyx truncate or with acute lobes or long-acuminate teeth, usually <6 mm long (excluding teeth); petals cream to pale yellow at anthesis, with or without a dark reddish spot at base; fruit with 3-5 locules, ovoid or subglobose (rarely elongate), smooth; native and cultivated
3.  Involucel bracts entire or 3-7-laciniate, enclosing bud, sometimes basally connate; petals usually yellow at anthesis with a reddish or purplish basal spot, sometimes white or flushed purplish or basal spot absent; fruit elongated, flaring widely, releasing cotton; cultivated
3.  Involucel bracts 5-13-dentate, often flaring, usually free; petals yellow at anthesis with a reddish or purplish basal spot; fruit subglobose, not flaring on dehiscence (cotton removed with difficulty); cultivated
Genus Synonyms
Synonym Full Citation Basionym Type
Erioxylum Erioxylum Rose & Standley ex Rose, Contr. U.S. Natl. Herb. 13: 307. 1911. TYPE: Erioxylum aridum Rose & Standley ex Rose
Ingenhouzia Ingenhouzia Mocino & Sesse y Lacasta ex de Candolle, Prodr. 1: 474. 1824, non Ingenhoussia Dennstaedt 1818. TYPE: Ingenhouzia triloba Mocino & Sesse y Lacasta ex de Candolle
Selera Selera Ulbrich, Verh. Bot. Vereins Prov. Brandenburg 55: 50. 1913. TYPE: Selera gossypioides Ulbrich
Sturtia Sturtia R. Brown, Sturt's Exped. Australia 5. 1849. TYPE: Sturtia gossypioides R. Brown
Thurberia Thurberia A. Gray, Mem. Amer. Acad. Arts, ser. 2. 5: 308. 1854. TYPE: Thurberia thespesioides A. Gray
Xylon Xylon Miller, Gard. Dict. Abr., ed. 4. 1754. TYPE: = Gossypium Linnaeus 1753, by lectotypification.