- Reference
- Enum.Pl.Austral.Occ. 57 (1930)
- Conservation Code
- Not threatened
- Naturalised Status
- Native to Western Australia
- Name Status
- Current
Erect to spreading, much-branched, spiny shrub, 0.4-2 m high. Fl. yellow, Mar to Oct. Sand, sandstone, stony loam. Rocky outcrops, screes, plateaus, hills.
Scientific Description
Prostrate,spreading or scrambling, shrub, spindly shrub (broom-like). Stems terete, spiny at least in part, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, alternate, continuous with stem, 15-45 mm long, 1-1.5 mm wide, glabrous; margins entire; tubercles absent; pustules or glands absent. Stipules present but early deciduous ( only visible on youngest leaves ). Pedicel present, 3-4 mm long, hairy. Bracteoles present and persistent. Calyx 4-6 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 8-11 mm long, uniformly coloured, yellow; claws absent; standard 6-9 mm long, glabrous, not auriculate, wings 5.6-8.5 mm long, not auriculate, keel 5.6-7.3 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.6-0.7 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 3-5 mm long. Ovary stipitate, glabrous; style 3.6-5 mm long, glabrous, not bearded, terete. Fruit dehiscent (a pod or follicle), stipitate, not constricted between the seeds, round in cross-section, not beaked. Flowers in March, April, May, June, July, August, September and October. Occurs in the Northern and Eremaean Botanical Province, in the Great Sandy Desert, Pilbara, Carnarvon, Central Ranges, Northern Kimberley, Victoria Bonaparte, Central Kimberley, Ord-Victorian-Plain, Tanami and Dampierland IBRA regions.
Distribution
- IBRA Regions
- Carnarvon, Central Kimberley, Central Ranges, Dampierland, Great Sandy Desert, Little Sandy Desert, Northern Kimberley, Ord Victoria Plain, Pilbara, Tanami, Victoria Bonaparte.
- IBRA Subregions
- Berkeley, Cape Range, Chichester, Fortescue, Hamersley, Keep, Mackay, Mann-Musgrave Block, McLarty, Mitchell, Pentecost, Pindanland, Purnululu, South Kimberley Interzone, Tanami Desert, Trainor.
- IMCRA Regions
- Cambridge-Bonaparte.
- Local Government Areas (LGAs)
- Ashburton, Broome, Derby-West Kimberley, East Pilbara, Exmouth, Halls Creek, Ngaanyatjarraku, Wiluna, Wyndham-East Kimberley.