Ajwain, ajowan or carom, Trachyspermumammi, is an annual herb in the family Apiaceae. It originated in the eastern Mediterranean, possibly Egypt, and spread up to India from the Near East. Both the leaves and the fruit pods of the plant are consumed by humans. The plant is also called bishop's weed, but this is a common name it shares with some other different plants. The "seed" is often confused with lovage seed. Ajwain seeds are ovoid, muricate, aromatic cremocarps and grayish brown in color. The medicinal part of this plant is a seed- like fruit that is often confused with many other seeds and spices (celery seeds, caraway etc) because when dried it.