Lythraceae is a family of flowering plants that includes over 620 species. Some common synonyms for Lythraceae include loosestrife family and crepe myrtle family. Both of these names are derived from specific plants within the family. Loosestrife is a popular garden plant, often used for its attractive flowers. Crepe myrtles are large shrubs or small trees that are widely cultivated for their showy blooms. Other synonyms for Lythraceae include pomegranate family, water willow family, and purple loosestrife family. These names are based on particular characteristics of various species within the family, such as the fruit of pomegranate trees or the similarity of leaves to those of the willow tree.