Erect shrub to 2 m tall. Leaves 2-3 cm long, 5-10 mm wide, base stem-clasping, tip blunt, often with a few teeth. Flowers solitary, large, 2.5-4 cm wide, stalkless; spring. Stamens 15-25 fused into 5 bundles. Carpels 5, hairless.
Source: (1997). Dilleniaceae. In: . Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.