The Magnoliaceae is a family in the flowering plant Order Magnoliales. It consists of two subfamilies: Magnolioideae, of which Magnolia is the most well-known genus. Liriodendroidae, a monogeneric subfamily, of which Liriodendron (Tulip trees) is the only genus. Unlike most angiosperms, whose flower parts are in rings, the Magnoliaceae have their stamens and pistils in spirals on a conical receptacle. This arrangement is found in old fossil plants and is believed to be primitive for angiospe… (More on Magnoliaceae)