Nicotiana TABACUM L.

Synonym : Nicotiana chinensis Fisch. ex Lehm.
Nicotiana latissima Mill.
Nicotiana mexicana Schltdl.
Nicotiana pilosa Dunal
Bangla Name : Tamak.,Siah (Marma).
English Name : Tobacco.
Family : Solanaceae
Disease : Sedative, narcotic, emetic, antispasmodic, rheumatic, skin diseases, scorpion-sting, ulcers and tumours.
Description : An erect glandular-pubescent herb. Leaves large, oblong-lanceolate, acuminate, the lower semiamplexicaul and decurrent. Flowers rosy or reddish, pedicelled, 4-5 cm long, in many-flowered, usually panicled racemes. Capsule 1.5-1.8 cm long, a little longer than the calyx.
Distribution : Cultivated, especially in greater Rangpur and Chittagong Hill Trats.
Chemical Constituents : Tobacco leaf contains several pyridine alkaloids, the principal one being a liquid alkaloid, nicotine. Other alkaloids present include nicoteine, nicotimine, anabaine anatalline and nornicotine. It also contains a high percetntage of organic acids. Leaves
Uses : Leaves are sedative, narcotic, emetic, antispasmodic and fish poison, used for the treatment of rheumatic swellings, skin diseases and scorpion-sting. A decoction of the leaf is used as a fomentation to the spine in tetanus, induce muscular relaxation, re
Habit : Herb