Contains 3 accepted taxa overall.

Characteristics
Nicotiana L.
TOBACCO
Classification
-
-
-
SOLANALES
Nicotiana
Citation
NICOTIANA Linnaeus, Sp. Pl. 180. 1753.
-
TYPE: Nicotiana tabacum Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 170. 1913.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Nicotiana longiflora Long-flower Tobacco
Nicotiana rustica Indian Tobacco, Wild Tobacco
Nicotiana tabacum Cultivated Tobacco
Identification Key
1.  Shrub or tree; leaf blades glabrous
1.  Annual or short-lived perennial; leaf blades viscid-pubescent or hispid
2
2.  Cauline leaves petiolate; corolla yellow to greenish yellow
2.  Cauline leaves sessile or subsessile; corolla white, grayish, greenish-gray tinged, greenish white, pink, or red
3
3.  Cauline leaves large, scarcely reduced below inflorescence; inflorescence compact; corolla pale greenish white to pink or red, throat ~5 mm wide; stamens inserted below middle of tube; stems viscid-pubescent
3.  Cauline leaves reduced towards inflorescence, rosette leaves sometimes present; inflorescence rather elongate; corolla white, grayish, or greenish-gray tinged, throat 1-6 mm wide; stamens inserted just below mouth of tube; stems tuberculate, sparsely pubescent or hispid, usually not viscid
4
4.  Calyx 1.5-2.5 cm long; corolla 4-12 cm long; fruit 1.1-1.6 cm long
4.  Calyx 0.8-1.3 cm long; corolla 1.5-3.5 cm long; fruit 0.8-1.1 cm long
Genus Synonyms
Synonym Full Citation Basionym Type
No synonyms found.