| This group
includes seven closely related species that can be hard to
distinguish. They all have pinnate leaves that are strongly aromatic
when crushed.
(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 Pauls 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)
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