Water parsnip, also known as Sium suave, is a popular plant that grows in shallow water bodies. It has a number of synonyms that include the lesser-known names such as Sium nodiflorum, Sium cicutifolium, and Oenanthe fluviatilis. Other synonyms for the plant include water dropwort, water celery, and water hemlock. These names indicate the plant's aquatic nature and its resemblance to other celery-like vegetables. Water parsnip is typically consumed as a medicinal plant but is also used in some culinary dishes, making the diverse synonymy of the plant a useful tool for recipe creation.