A hybrid between B. acerifolius and B. populneus. Erect tree to about 10 m tall with a broad crown. Leaves variable but mostly ovate, 12-15 cm long, 6-8 cm wide, dark and glossy above, pale below. Flowers in terminal or axillary panicles or clusters with individual flowers pink outside and crimson inside with yellow markings, Nov.-Feb. Fruit hairless outside, beaked, mostly 7-10 cm long, 2.5-3 cm wide. Dec.-Apr. Seeds about 8 mm long. [B. populneo-acerifolius F.Muell.; Brachychiton ×hybridus hort.]
A hybrid that is not known to occur naturally.
Trees referred to horticulturally as Brachychiton 'Hybrida' are possibly crosses between B. acerifolia and B. discolor.
SA: Glenside (Pineview Village, Greenhill Rd, grounds originally part of Glenside Hospital, plaque reports planted 1852). VIC: Geelong (Geelong Botanic Gardens, 2 trees 19 m tall in 1989; Mont Park).
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.