Bossiaea calcicola J.H.Ross
Muelleria 23:89-91, Fig. 29 (2006)

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

Brief Description
Amanda Spooner, Monday 24 September 2007

Compact, spinescent shrub, to 0.7 m high. Fl. yellow-red, Jul to Sep. Compacted sand over limestone. Exposed sites on coastal cliffs and slopes.


Beard’s Provinces: Eremaean Province, South-West Province.

IBRA Regions: Carnarvon, Geraldton Sandplains, Yalgoo.

IBRA Subregions: Edel, Geraldton Hills, Wooramel.

IMCRA Regions: Abrolhos Islands.

Local Government Areas (LGAs): Chapman Valley, Greater Geraldton, Northampton, Shark Bay.

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

Erect, shrub, spindly shrub (broom-like). Stems flattened, spiny at least in part, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, 4.5-6 mm long, 3-3.5 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, 6-8 mm long, hairy. Bracteoles 1.4-1.5 mm long, hairy. Calyx 4.5-5 mm long, not accrescent, hairy, with simple hairs; pustules or glands absent. Corolla 9-12 mm long, multicoloured, mostly yellow or red, with some yellow or red spots, streaks or blotches; claws present; standard 10 mm long, glabrous, wings 7 mm long, keel 7 mm long, glabrous. Stamens ten, at two different levels (filaments alternately long and short); filaments united in an open sheath, 5-5.2 mm long. Ovary stipitate, hairy or glandular; style 6.6 mm long, hairy or glandular towards the base, terete. Fruit dehiscent (a pod or follicle), 18-20 mm long, 7.5-8 mm wide, stipitate, not constricted between the seeds, flat or compressed, glabrous, not beaked. Flowers in July, August and September. Occurs in the Eremaean and South-West Botanical Province, in the Carnarvon, Yalgoo and Geraldton Sandplains IBRA regions. Conservation Code Priority Three (P3).