Kalonji is the harvest plant. In Botany it is classified as Renunculcea family. Its stem is erect and branched. Its leaves are light green. On these leaves there are long downy hairs. Its flowers are blue and while colored and are in shape of star. On the top of calyx every branch in which small rough black granules are available.
Different names around the world of kalonji: Nigella Sativa, Black Seed, Caraway, Schwarz Kummel, Kalonji, Habbatul Baraka, Kaluduru, Fennel Flower, Fitch, and Roman-coriander.
The cultivation of this plant is in abundance in India. Bangladesh, Turkey, Eastern countries. The farming of this plant is made to achieve the new seeds. These seeds are used in food and medicines. These seeds have a special smell.