Wednesday, December 17, 2008

Nicotiana tobacum L.

Family : Solanaceae

Synonym(s) : Nicotiana havanensis, Nicotiana virginica C. Agardh, Nicotiana mexicana Schlecht., Nicotiana pilosa Moc. & Sessé ex Dun, Nicotiana persica.

English Name : Tobacco

Origin : Central or South America

Tobacco is an annual, with a long fibrous root, stem erect, round, hairy, and viscid; it branches near the top and is from 3 to 6 feet high. Leaves large, numerous, alternate, sessile, somewhat decurrent, ovate, lanceolate, pointed, entire, slightly viscid and hairy, pale-green colour, brittle, narcotic odour, with a nauseous, bitter acrid taste.

Global in warm and temperate parts, including India.

Parts Used : Leaf and seed

Herb Effects
Medicinally it is used as a sedative, diuretic, expectorant, discutient, and sialagogue, and internally only as an emetic, when all other emetics fail. The leaves are antispasmodic, discutient, diuretic, emetic, expectorant, irritant, narcotic, sedative and sialagogue.

Active Ingredients
Nicotine, nor-nicotine, nicotyrine, anabasine and anatabine (leaf).

Medicinal Use
Alleviating spasms, as a sedative, for swolen areas (due to rheumatism) and skin diseases (leaf); toothache (seed); used externally in the treatment of rheumatic swelling, skin diseases and scorpion stings; applied to stings in order to relieve the pain (wet tobacco leaves).


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