Liliaceae is a family of flowering plants that are characterized by their six-petaled flowers and bulbous roots. However, this term may not be clear to all readers and may need to be explained further. Some synonyms that can be used to describe the Liliaceae family include lily family, the Lily Order, and the Lily Family of flowering plants. Other names that may be used are the onion family, the amaryllis family, and the tulip family. Whatever name is used, the Liliaceae family is widely known for their attractive flowers, which have been cultivated and admired for centuries.