Bossiaea aurantiaca J.H.Ross
Muelleria 23:103-104, Fig. 33 (2006)

Conservation Code: Priority One
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Amanda Spooner, Monday 24 September 2007

Compact, rounded or spreading, spinescent shrub, to 1.5 m high. Fl. red/yellow, Sep to Oct. Red sand, red clay loam. Low-lying, winter-damp sites.


Beard’s Provinces: Eremaean Province.

IBRA Regions: Coolgardie.

IBRA Subregions: Eastern Goldfield.

Local Government Areas (LGAs): Dundas.

Scientific Description
C. Hollister and K.R. Thiele, Friday 4 December 2020

Prostrate,spreading or scrambling, shrub, spindly shrub (broom-like). Stems terete, spiny at least in part, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, not continuous with stem, 6-7.5 mm long, 1.2-2 mm wide, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves. Pedicel present, 3.3-6 mm long, hairy. Bracteoles 1-1.7 mm long, hairy. Calyx 4.5-5 mm long, not accrescent, hairy, with simple hairs; pustules or glands absent. Corolla 9-11 mm long, multicoloured, mostly yellow or red, with some yellow or red spots, streaks or blotches; claws present; standard 9-10 mm long, glabrous, not auriculate, wings 7.6-8.5 mm long, not auriculate, keel 8-8.5 mm long, not auriculate, hairy at least in part. Stamens ten; anthers 0.3-0.4 mm long, at two different levels (filaments alternately long and short); filaments united in an open sheath. Ovary stipitate, hairy or glandular; style 6.5-8 mm long, hairy or glandular towards the base, terete. Fruit dehiscent (a pod or follicle), 14-15 mm long, 3.5-6 mm wide, stipitate, not constricted between the seeds, flat or compressed, glabrous, not beaked. Flowers in September and October. Occurs in the Eremaean Botanical Province, in the Coolgardie IBRA regions. Conservation Code Priority One (P1).