Nicotiana tabacum L. Solanacee
This perennial plant is found in the tropical parts of America. However, it is regarded as an annual plant in temperate-zone countries such as Japan. Its plant height in Japan is 1.5 to 2 meters and flowering period is summer. The flowers are funnel-shaped, light red, and approximately 2 cm in diameter. Nicotine is found in the leaf mainly.
Part used: leaf
Medicinal use: analgesic, detoxicant, and hemostatic
Main component: nicotine
The fruit has a long axis of 2 cm and contains several thousand small seeds.
Cigars and cigarettes are made from dried leaf. The leaf reaches approximately 60 cm in length, 30 cm in width.