It is an erect, slender shrub with trifoliate leaves and deep pink to red, four-petalled flowers arranged singly in leaf axils.

Boronia heterophylla is a shrub which grows to a height of 1–3 m (3–10 ft) and has slender branches.

The flowers are deep pink to red and arranged singly in leaf axils on a thin, top-shaped, hanging pedicel about 10 mm (0.4 in) long.

[4] Boronia heterophylla was first formally described in 1860 by Ferdinand von Mueller and the description was published in Fragmenta phytographiae Australiae.

[3] Boronia heterophylla is listed as "not threatened" by the Government of Western Australia Department of Parks and Wildlife.