Shrub to over 0.5 m tall. Leaves to about 5 cm long, lobed at the base; stipules absent. Flowers with bracteoles above the middle of the flower stalk below the pinkish purple sticky calyx; spring.
T. grandiflora Lindl. also has strongly cordate to basally lobed leaves but it has distinct stipules.
Source: (1997). Sterculiaceae. 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.