Landeenia aralioides (MacGinitie) Manchester & Hermsen. Flower showing five sepals, rounded gynoecium, and several anthers. UF22592. Figure 15 in Manchester, S. R. and E. J. Hermsen. 2000. Flowers, fruits, seeds, and pollen of Landeenia gen. nov., an extinct sapindalean genus from the Eocene of Wyoming. American Journal of Botany 87(12):1909-1914.