It is a low, spreading shrub with silky-hairy foliage, linear leaves and yellow flowers with six to nine stamens on one side of two carpels.
[2][3] Hibbertia superans was first formally described in 2000 by Hellmut R. Toelken in the Journal of the Adelaide Botanic Gardens from specimens collected near Kellyville in 1998.
[3] This hibbertia grows on sandstone ridge-tops in woodland and heathland mainly between Baulkham Hills and South Maroota in the northern outskirts of Sydney.
[2][3][5] Hibbertia superans is listed as "endangered" under the New South Wales Government Biodiversity Conservation Act 2016.
The main threats to the species include land clearing, habitat disturbance, weed invasion and road and rail maintenance.