The Subfamily Dracenaceae is a group of plants that is commonly known as the Dragon trees. It is a diverse group of plants that includes the famous Dracaena genus, along with Sansevieria and Pleomele. There are several synonyms for this subfamily, including the Agavaceae family and the Lomandroideae subfamily. It is important to understand these synonyms because different people may use different terms to refer to the same group of plants. No matter what you call them, however, the Subfamily Dracenaceae remains one of the most interesting and visually striking groups of plants in the world.