Erect or spreading shrubs. Leaves 1-3 cm long, linear to obovate or elliptic, hairy or not. Flowers terminal, stalkless, to about 4 cm wide, golden yellow; spring to early summer. Stamens more than 30 surrounding the carpels; spring. Carpels 3, hairless.
Qld, NSW, Vic
A complicated species that might be split up into several new species.
H. amplexicaulis Steud. from Western Australia is also available but has leaves that are wider and with more pronounced ears at the base; it is closely related to H. perfoliata Endl. which has leaves surrounding the stems.
H. cunninghamii Hook. has linear and only slightly eared leaves.
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.