The Family Clethraceae refers to a group of flowering plants that are commonly found in Asia and North America. Some common synonyms for this family include the Sweet Pepperbush family, White Alder family, and the Himalayan Plum family. These synonyms are often used in various scientific literature and provide an alternative way to refer to this particular group of plants. The Family Clethraceae is known for its fragrant flowers and its ability to tolerate wet soil. It includes several popular ornamental plants such as the Clethra alnifolia or Sweet Pepperbush and the Clethra barbinervis or Japanese Clethra, which are widely cultivated for their beauty and fragrance.