Claim: Boronia serrulata is an erect woody shrub that grows to about 4.9 feet tall with simple egg-shaped leaves with fine teeth edges.
Evidence: Boronia serrulata is an erect, woody shrub that typically grows to a height of about 1.5 m (4.9 ft) and has mostly glabrous branchlets. It is an erect, woody shrub with branchlets, simple, egg-shaped leaves with fine teeth on the edges, and bright pink, four-petalled flowers on the ends of the branchlets. 
Boronia serrulata is an erect, woody shrub that typically grows to a height of about 1.5 m (4.9 ft) and has mostly glabrous branchlets. The leaves are crowded, simple, broadly egg-shaped with the narrower end towards the base, 6–18 mm (0.24–0.71 in) long, 1.5–9 mm (0.059–0.354 in) wide and sessile. Both sides of the leaf are the same colour and the edges have fine teeth.