Nicotiana is a genus of flowering plants in the nightshade family, known for its striking flowers and aromatic leaves. The most famous species, Nicotiana tabacum, is cultivated for its leaves, which are processed to make tobacco. These plants are often found in gardens and can attract pollinators like bees and hummingbirds. In addition to its economic importance, Nicotiana has a role in scientific research. Some species are studied for their potential medicinal properties and are used in genetic studies. The vibrant flowers of Nicotiana also make them popular in ornamental gardening, adding beauty to landscapes.