Kalonji?is an herbaceous annual of the buttercup family. Its seed (also known as ?black seed?) has been consumed for centuries, especially in the Middle East and Southeast Asia.Also known as black cumin, nigella or by its scientific name Nigella sativa, kalonji belongs to the buttercup family of flowering plants. It grows up to 12 inches (30 cm) tall and produces a fruit with seeds that are used as a flavorful spice in many cuisines
