nicotiana definition of nicotiana in the Free Online Encyclopedia.

nicotiana (nĭkō'shēā`nə), any plant of the genus Nicotiana of the family Solanaceae (nightshade nightshade, common name for the Solanaceae, a family of herbs, shrubs, and a few trees of warm regions, chiefly tropical America. Many are climbing or creeping types, and rank-smelling foliage is typical of many species.
..... Click the link for more information. family). Most species are herbs native to tropical America, although there are a few North American species and several others in the S Pacific, Australia and SW Africa. Many are cultivated for their fragrant trumpet-shaped flowers, which usually open at night. Commercial tobacco tobacco, name for any plant of the genus Nicotiana of the Solanaceae family ( nightshade family) and for the product manufactured from the leaf and used in cigars and cigarettes , snuff , and pipe and chewing tobacco.
..... Click the link for more information. is obtained chiefly from the leaves of Nicotiana tabacum. The smaller plant cultivated and smoked by Native Americans of E United States before the arrival of white men is N. rustica. It and other nicotianas are used for making insecticides as well as for smoking. Nicotiana is classified in the division Magnoliophyta Magnoliophyta (măg'nōlēŏf`ətə)
..... Click the link for more information. , class Magnoliopsida, order Polemoniales, family Solanaceae.

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nicotiana