Sweet flag is a medicinal herb that has been used for centuries in traditional medicine practices. This herb is also known by various other names such as flag root, calamus root, sweet rush, and sweet sedge. It is known for its aromatic and bitter properties, and it's often used in the production of perfumes, essential oils, and fragrances. Additionally, sweet flag is also commonly used in Ayurvedic medicine for its therapeutic properties, such as reducing inflammation, improving digestion, and treating respiratory conditions. Regardless of its name, sweet flag is a versatile herb that has many uses and benefits.