Favoritos de thammer

Erect shrub. Actual dry specimen appears to have 22 stamens around a single, glabrous carpel. The leaves are atypically large (up to 30mm long and 18mm wide tapering with a more defined petiole and more glabrous than H. diffusa. Some secondary venation visible on dry specimen.
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In Allocasuarina nana heath at 1120m elevation, burnt in 2013 and 2020. The Hibbertia peduculata complex was split by Hellmut Toelken in 2013, with this species and H. pachynemidium replacing H. pedunculata as typial components of A. nana heath. H. pachy is the more common and widespread with H. singularis only known from Kydra Peaks, which is just up the hill from my monitoring plot. It is distinguished from H. pachy by having ovate, not lanceolate, calyx lobes with a hairy, not glabrous outer surface, larger flowers (outer calyx lobe 7mm long by comparison with my thumbnail, which matches the description
of 5.5-9.3mm), and the presence of staminodes among the 22-25 stamens (only 16 in my photo but otherwise it fits). The species is known only from the type specimen, so may be more variable in some features such as stamen number than the description suggests. I didn't collect this one, but have had a specimen from the same general area confirmed as this species by the Sydney Bot Gardens in 2018.

Found in coastal heath with sandy soil. It was numerous in the overgrown strip along the cliff top but not seen in the adjoining heath proper. We speculate that it preferred more shady vegetation. It was abundant and taller in the forest about 700 metres further south.