(1) B. pilosa is the most widespread and common species. It is an erect shrub that occurs in a range of oligotrophic heathlands.

(2) B. citriodora is strongly lemon scented and mainly occurs as a subalpine shrub

(3) B. elizabethiae is a spindly, low-growing shrub with leaflets all less than 1mm wide

(4) B. gunnii is a robust shrub with its largest leaflets at least 17mm long. It is only known from near the St Paul's River, on the east coast

(5)  In B. hemichiton the bases of the leaflets are covered in stiff, bristle-like hairs. It is a rare species only known from near Mt Arthur.

(6) In B. hippopala the plant, apart from the flowers, is covered in stiff, bristle-like hairs. It is a rare species from the St Paul's River area near the East Coast.

(7) B. rozefeldsii has large flowers (petals > 8mm long) and short petioles (<3mm long)