Polygonaceae is a family of flowering plants that includes approximately 48 genera and over 1,200 species. Some common synonyms for Polygonaceae include buckwheat family, knotweed family, dock family, and smartweed family. These synonyms refer to the characteristic features of the plants within this family, such as their triangular or jointed stems, button-like flowers, and tendency to grow in dense clusters. Polygonaceae is primarily found in temperate regions but can also be found in tropical areas. Many species within this family are valued for their medicinal properties and are used to treat various ailments.