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Basma tobacco leaves drying in the sun at Pomak village in Xanthi, Greece. Tobacco is the common name of several plants in the genus Nicotiana of the family Solanaceae, and the general term for any product prepared from the cured leaves of these plants. More than 70 species of tobacco are known, but the chief commercial crop is N. tabacum.
N. tabacum is the most commonly grown species in the genus Nicotiana, as the plant's leaves are commercially harvested to be processed into tobacco for human use. The plant is tropical in origin, is commonly grown throughout the world, and is often found in cultivation. It grows to heights between 1 and 2 metres (3.3 and 6.6 ft).
All species of Nicotiana contain the addictive drug nicotine—a psychostimulant alkaloid found in all parts of the plants except the seeds, and most heavily-concentrated in the leaves—which occurs in varying amounts depending on the species of Nicotiana grown; the breed, type, or variety of tobacco cultivated and produced; and the method ...
Nicotiana (/ ˌ n ɪ k oʊ ʃ i ˈ eɪ n ə, n ɪ ˌ k oʊ-,-k ɒ t i-,-ˈ ɑː n ə,-ˈ æ n ə / [2] [3] [4]) is a genus of herbaceous plants and shrubs in the family Solanaceae, that is indigenous to the Americas, Australia, Southwestern Africa and the South Pacific.
Specialist insects on tobacco, such as the tobacco hornworm (Manduca sexta), have a number of adaptations to the detoxification and even adaptive re-purposing of nicotine. [180] Nicotine is also found at low concentrations in the nectar of tobacco plants, where it may promote outcrossing by affecting the behavior of hummingbird pollinators. [181]
Various plants are used around the world for smoking due to various chemical compounds they contain and the effects of these chemicals on the human body. This list contains plants that are smoked, rather than those that are used in the process of smoking or in the preparation of the substance.
A nicotine base and a weak acid such as benzoic acid or levulinic acid is used to form a nicotine salt. [1] Across a sample of 23 nicotine salts available for public purchase, the three most common acids used in the formation of nicotine salts were lactic acid, benzoic acid and levulinic acid. [8]
Nicotiana rustica, commonly known as Aztec tobacco [2] or strong tobacco, [3] is a rainforest plant in the family Solanaceae native to South America. It is a very potent variety of tobacco , containing up to nine times more nicotine than common species of Nicotiana such as Nicotiana tabacum (common tobacco). [ 4 ]