Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Angiospermae (Flowering Plants) » Magnoliopsida (Dicots) » Gentianales (gentians, dogbanes, madders, and allies) » Rubiaceae (madder family) » Ixoroideae » Gardenieae » Casasia » Casasia clusiifolia (Seven-year Apple)