Clermontia pyrularia of the Campanulaceae (bellflower) family, a terrestrial tree 3 to 4 m (10 to 13 ft) tall, has alternate toothed leaves 15 to 28 cm (5.9 to 11 in) long and 2.5 to 5 cm (1 to 2 in) wide with winged petioles. A cluster of two, three, or sometimes up to five flowers has a main stalk 2.8 to 6 cm (1.1 to 2.4 in) long; each flower has a stalk 0.8 to 2 cm (0.3 to 0.8 in) long. Five small green calyx lobes top the hypanthium. The white or greenish-white petals are covered with fine hairs and measure 4 to 4.5 cm (1.6 to 1.8 in) long, and are fused into a curved two-lipped tube5 to 8 mm (0.2 to 0.3 in) wide with five spreading lobes. The orange berry is inversely ovoid or inversely pear-shaped.