This ridged dark brown to black color seed is derived from a wild-flowering herb that grows in India's mountain regions. Black cumin in smaller and thinner than regular cumin seeds. The distintive smell and complex flavor lends a smoky nature to dishes. It is also used to flavor dals, curries, pulaos and biryanis. Black cumin is used in soothing digestive drinks and as a cure to the aches and pains of the flu.