The flowers are produced abundantly in small clusters amongst the leaves during mid- to late summer (Jan.-Feb.). Each flower has 5 free petals, and 10 stamens fused to form a narrow cylindrical tube. Flowers in 1-3 flowered axillary clusters, large, pure white; petals narrow, up to 3.5 cm long; staminal tube 2.5-3.5 cm long.
Fruit a distinct 5-lobed woody green capsule, c. 2.5 cm in diameter, like a miniature pumpkin, splitting and peeling back to reveal shiny orange-red, kidney-shaped seeds (Feb.-June).
Fruits and flowers may occur on the tree together.