Rubiaceae is a large family of flowering plants that includes trees, shrubs, and herbs. Some popular synonyms for Rubiaceae are the coffee family, madder family, bedstraw family, and gardenia family. Many plants in this family are known for their medicinal properties, including their ability to treat fevers, stomach problems, and respiratory conditions. The Rubiaceae family also includes several popular ornamental plants, such as gardenias, ixoras, and holly coffee. With over 600 genera and 13,000 species, Rubiaceae is one of the most diverse plant families in the world, and its members can be found in a wide range of habitats, from rainforests to deserts.