IRVINGIACEAE  

Trees, often very tall; young trees armed with spines up to 100 mm long. Leaves coriaceous; stipules usually longer than 50 mm, falcate. Flowers bisexual. Sepals free, ovate. Petals elliptic, 2 or 3 times as long as calyx. Stamens (9)10, antepetalous ones shorter than antesepalous ones; pollen with polar triangle. Ovary (4)5-locular, slightly sunk into fleshy disc. Fruit a depressed, hard, +/- distinctly (4)5-lobed drupe containing (4)5 hard, 1-seeded pyrenes, irregularly shaped with processes, free or centripetally fused. Seeds: endosperm copious.