Strongly aromatic small shrub to 1 m or so tall. Leaves pinnate with 5-11 narrowly elliptic to oblong leaflets. Flower clusters of 3-8 flowers; winter to early summer. Flowers bright purplish pink.
Double and colour variant forms are available including cream and pink.
B. thujona Penfold & Welch, Bronzy Boronia, from NSW has finely toothed leaflets.
Source: (2002). Rutaceae. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.