The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. Economically important species include Coffea, the source of coffee, Cinchona, the source of the antimalarial alkaloid quinine, some dye plants (e.g. Rubia), and ornamental cultivars (e.g. Gardenia, Ixora, Pentas). Wikipedia
Genera: Argostemma, Catunaregam, Dentella, Duperrea, Gardenia, Hedyotis, Ixora, Lasianthus, Mitracarpus, Morinda, Mussaenda, Oldenlandia, Paederia, Richardia, Ridsdalea.