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Pakistan | Family List | Solanaceae

12. Nicotiana L., Sp. Pl. 180. 1753. Gen. Pl. ed. 5.84.1754; Clarke in Hook. f. Fl. Brit. Ind. 4:245.1883; Bailey, Stand. Cyclop. Hort. 4:2140.1919; Goodspeed in Chronica Botanica, 16.1954.

YASIN J. NASIR

Erect herbs or shrubs with viscid-pubescent parts. Leaves simple, entire. Flowers in terminal racemes, panicles or corymbs, bisexual, regular. Calyx shallowly 5-lobed, tubular, campanulate. Corolla salver-or infundibuliform, limb 5-lobed. Stamens 5, included. Anthers dehiscing longitudinally. Ovary bilocular; style simple; stigma capitate. Fruit a capsule, dehiscing initially by 2 valves. Seeds many, small.

60 species, mainly tropical America, S.W. Africa, and Australia. Represented in Pakistan by 3 species which are naturalised or cultivated.


1 Flowers yellow or greenish-yellow   3 Nicotiana rustica
+ Flowers pink   (2)
       
2 (1) Leaves both radical and cauline. Calyx 7-8 mm long Filaments 20 mm long. Capsule 8-10 mm long   1 Nicotiana plumbaginifolia
+ Leaves cauline. Calyx 10-12 mm long. Filaments ± 35 mm long. Capsule c. 20 mm long   2 Nicotiana tabacum

Lower Taxa


 

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