Erect, pungent shrub, 0.2-1.8 m high. Fl. blue-purple, May to Nov. Shallow soils on rock, sandy soils, laterite, gravel, clay & loamy soils. Granite outcrops, coastal limestone, flats, undulating sandplains.
Beard’s Provinces: South-West Province.
IBRA Regions: Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions: Avon Wheatbelt P2, Dandaragan Plateau, Eastern Mallee, Fitzgerald, Geraldton Hills, Lesueur Sandplain, Northern Jarrah Forest, Perth, Recherche, Southern Jarrah Forest, Warren.
IMCRA Regions: Central West Coast.
Local Government Areas (LGAs): Albany, Augusta Margaret River, Bayswater, Beverley, Busselton, Canning, Capel, Carnamah, Chittering, Claremont, Cockburn, Coorow, Cottesloe, Cranbrook, Dandaragan, Esperance, Fremantle, Gingin, Gnowangerup, Goomalling, Gosnells, Greater Geraldton, Irwin, Jerramungup, Joondalup, Kalamunda, Kwinana, Mandurah, Melville, Mosman Park, Mundaring, Murray, Narrogin, Northam, Perth, Plantagenet, Ravensthorpe, Serpentine-Jarrahdale, Stirling, Swan, Toodyay, Victoria Plains, Wagin, Wanneroo, Waroona, West Arthur, Woodanilling, York.
Erect, 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, 10-30 mm long, 1-2.7 mm wide, hairy, with simple hairs, flat with incurved margins (conduplicate) or strongly recurved, appearing terete but with one or two grooves below; margins entire; tubercles absent; pustules or glands absent. Stipules apparently absent even from the youngest leaves or present and persistent to older leaves, 4.2-5 mm long, without glands, ribless. Pedicel present, 5-9 mm long, hairy. Bracteoles present and persistent, 3.6-4.2 mm long, hairy, not striate. Calyx 6-7.2 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 12.5-18.5 mm long, multicoloured, mostly purple or blue, with some purple or blue spots, streaks or blotches; claws present; standard 10-17.5 mm long, glabrous, not auriculate, wings 9.5-15 mm long, not auriculate, keel 7-7.5 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.4-0.5 mm long, all at the same level (filaments all the same loength) or at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 6-7.6 mm long. Ovary stipitate, glabrous; style 6.5-7.5 mm long, glabrous, not bearded, terete. Fruit dehiscent (a pod or follicle), stipitate or sessile or subsessile, not constricted between the seeds, round in cross-section, not beaked. Flowers in May, June, July, August, September, October and November. Occurs in the South-West Botanical Province, in the Geraldton Sandplains, Avon Wheatbelt, Jarrah Forest, Mallee, Warren, Esperance and Swan Coastal Plain IBRA regions.
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Western Australian Herbarium (1998–). FloraBase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. https://florabase.dpaw.wa.gov.au/