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Published In: Species Plantarum 2: 693. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Distribution: Distribution: A genus with 35 species (Fryxell in Taxon 18:585-591. 1969) distributed in tropical and subtropical regions. It is represented by 4 species in Pakistan.


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Annual herbs to shrubs or rarely small trees. Branches usually black punctate with oil glands. Leaves petiolate, usually 3-9 palmately lobed, sometimes entire. Flowers axillary, solitary. Flowers large, showy, pedicellate. Epicalyx segments 3, large, leafy, cordate, free or basally connate, persistent, entire to deeply incised. Calyx smaller than epicalyx, campanulate, truncate or 5-toothed, persistent, scattered oil glands present externally. Corolla usually yellow with a crimson centre; Staminal tube included, antheriferous throughout. Carpels 5; ovary 5 celled, each cell many ovuled; style unbranched, ± clavate; stigmas 5. Capsule, 3-5 celled, ovoid-subglobose. Seeds numerous, obovoid or angular, covered by lint or fuzz or both, sometimes nearly glabrous, cotyledons folded, black-punctate.

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1 Seeds linted (2)
+ Seeds fuzzy, never linted Gossypium stocksii
2 (1) Epicalyx segments entire to serrate (3)
+ Epicalyx segments laciniate Gossypium hirsutum
3 (2) Epicalyx segments embracing the flower, longer than broad, entire or with 3-4 coarse teeth near the apex. Capsule tapering Gossypium arboreum
+ Epicalyx segments not embracing, usually broader than long, 6-8 toothed or lobed at apex. Capsule rounded or oblong Gossypium herbaceum
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