It is a small, spreading shrublet with hairy foliage, linear leaves and yellow flowers with twelve to sixteen stamens on one side of two carpels.

Hibbertia tenuifolia is spreading shrublet that typically grows to a height of up to 20 cm (7.9 in) and has hairy foliage.

The petals are yellow, egg-shaped with the narrower end towards the base, 7.8–10.4 mm (0.31–0.41 in) long with twelve to sixteen stamens fused at the base on one side of two carpels, each carpel with two ovules.

[2][3][4] Hibbertia tenuifolia was first formally described in 2000 by Hellmut R. Toelken in the Journal of the Adelaide Botanic Gardens from specimens collected by Leslie Pedley between Wyberba and Wallangarra in 1963.

[4] This hibbertia grows in heath, woodland and forest in south-eastern Queensland and the Northern Tablelands of New South Wales, but is only known from three old collection.