Britannica
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Which plant family does tobacco belong to?
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Tobacco
Tobacco leaf.
Tobacco belongs to the plant family Solanaceae, which is also commonly known as the nightshade or potato family.1
Within this family, tobacco is classified under the genus Nicotiana. The most commercially significant species are Nicotiana tabacum and Nicotiana rustica. The Solanaceae family is characterized by flowers with five petals, sepals, and stamens, and it includes many other economically important plants such as tomatoes, potatoes, and peppers.231