Accepted name: Hibbertia fasciculata var. prostrata
Small scrambling or erect shrub with hairy branchlets. Leaves mostly 0.5-2 cm long, 0.5-1.5 mm wide, occasionally silky-hairy, thin, linear, in clusters. Flowers 1-2 cm wide, stalkless. Petals yellow, occasionally notched. Stamens 8-12 around the carpels; year-round. Carpels 2, hairless.
SA, Vic, Tas
H. virgata DC., Twiggy Guinea Flower, is rather similar but instead of 1 small bract or no bracts it has 2 or 3 bracts about half the length of the calyx.
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.