Erect, spreading shrub, 0.15-0.6(-2) m high. Fl. yellow, Mar to May or Jul to Oct. Stony clay or loam, sandy loam, coarse shelly sand. Rocky hillsides, colluvial flats, creek & river beds.
Beard’s Provinces: Eremaean Province.
IBRA Regions: Carnarvon, Gascoyne, Great Sandy Desert, Pilbara.
IBRA Subregions: Ashburton, Cape Range, Chichester, Hamersley, McLarty, Roebourne.
Local Government Areas (LGAs): Ashburton, East Pilbara, Exmouth, Karratha, Port Hedland.
Shrub. Stems hairy. Leaves 15-95 mm long, 8-35 mm wide, not lobed; margins crenate; indumentum present, with non-tubercle-based simple hairs, with stellate hairs; stipules present but early deciduous (only visible on youngest leaves), 9-14 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 2-2.7 mm long; indumentum present, with simple hairs, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx 3.6-4.8 mm long, the lobes fused less than half their length, simple hairs (without tubercle bases) present, stellate hairs present, Terminal appendages present. Corolla yellow, 3-4.5 mm long, glabrous. Stamens many, free and inserted at the base of the ovary; filaments present, 2.2-3 mm long; anthers 0.5-0.6 mm long. Ovary hairs or scales present, simple hairs present; style 1, with a lobed or capitate stigma, 3-3.2 mm long, with one style branches or lobes, mostly glabrous. Fruits indehiscent and not splitting into sections (drupes), length-width ratio more or less as long as wide, hairs or scales present, stellate hairs present; apex rounded; prickles present, abundantly covering the fruit; calyx persistent to mature fruit, not accrescent. Flowering time March, April, May, July, August, September or October. Distribution Botanical Province Eremaean, IBRA Bioregion Great Sandy Desert, Pilbara, Carnarvon or Gascoyne.
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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/