The plants of Kalonji are found throughout India in the form of bushes. The height of the plant is approximately half a meter. It possesses blue flowers. It is originated from Turkey and Italy. Later on, it was brought to Asia by physicians and cultivated in India. Now a days, it is cultivated throughout India, whereas it is wildly grown too. Seeds are triangular in shape, black in colour and possess a severe pungent smell, contain a considerable amount of oil. It is incorrect that Arabs learnt its use from Greeks, because before the advent of Islam in middle east no description is found on record about it’s use. It’s therapeutic use was initiated after the advent of Islam, since, Prophet Muhammad (Pbuh) mentioned its therapeutic efficacy and potential of cure.