Tree 10-15 m tall with smooth grey bark. Leaves 15-20 cm long, the 3-5 palmate lobes long-pointed, finely hairy below. Calyx lobes often bent back. Flowers yellow-green in 20-30 cm long terminal clusters; early summer. Male flowers with about 10 stamens together over sterile carpels. Female flowers have a 5-carpelled ovary and large, sterile anthers. Fruit a densely hairy follicle, 4-6 cm long, papery and leaf-like; seeds 0.5-1 cm long.
Similar to Brachychiton but totally deciduous and with extremely large leaves; unusual papery, leaf-like fruits with seeds attached edge to edge.
VIC: Melbourne (Flagstaff Gardens; Royal Botanic Gardens Victoria (Melbourne Gardens) Eastern Lawn group near Tecoma Resthouse). ACT: Narrabundah (Allen St).
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.