Sea-purse is a term that relates to a herbaceous plant of the mint family that has a characteristic mouth-shaped structure. The plant is also commonly known as pyrularia or pyrularia pubera. Synonyms for the word sea-purse can vary depending on the specific context or region but can include Indian lemon, cancer root, coral bead, bitter nut, and mouse ear. Some cultures use the plant to make herbal teas, while others use it for its medicinal properties to treat various ailments such as cancer, fever, or respiratory infections. Despite its numerous names in different languages, sea-purse remains a fascinating and peculiar plant with a unique appearance and potential health benefits.