The water-plantain family, also known as the Alismataceae family, comprises flowering aquatic plants that can thrive in marshy habitats around rivers and ponds. Some of the common synonyms for water-plantain family include pondweed family, pickerelweed family, arrowhead family, and mud plantain family. The plants in this family have tuberous rhizomes, leaves that are often arranged in a basal rosette, and showy white or pink flowers. They are valued for their ornamental qualities and medicinal uses. Many species of the water-plantain family are cultivated as garden plants and used in traditional herbal medicines for treating ailments such as diarrhea, coughs, and fever.