Tree, 3-18(-25) m high. Fl. green & yellow & red, May to Dec. Red sandy soils, basaltic soils, sandstone. Stony hills, along rivers.
Beard’s Provinces: Northern Province.
IBRA Regions: Central Kimberley, Dampierland, Northern Kimberley, Ord Victoria Plain, Victoria Bonaparte.
IBRA Subregions: Berkeley, Fitzroy Trough, Mitchell, Mount Eliza, Ord, Ord-Victoria Plains P1, Pentecost, Pindanland, Victoria Bonaparte P1.
IMCRA Regions: Canning, Cobourg, Kimberley.
Local Government Areas (LGAs): Broome, Derby-West Kimberley, Halls Creek, Wyndham-East Kimberley.
Tree. Stems hairy. Leaves 120-180 mm long, 55-105 mm wide, not lobed; margins entire; hairs and scales absent (leaves quite glabrous); stipules present but early deciduous (only visible on youngest leaves). Perianth of one whorl only (the visible whorl is a calyx, sometimes petaloid). Pedicel present, 0.5-2 mm long; glabrous. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, 7-14 mm long, the lobes fused half or more of their length, stellate hairs present, number of ribs absent. Stamens many, united and arising from a staminal tube around the style; filaments present, NaN (?) mm long; anthers 0.6 mm long. Staminodes present. Ovary hairs or scales present, stellate hairs present, 2 mm long, with five style branches or lobes, hairy for most of length. Fruits indehiscent and splitting into sections (schizocarps), length-width ratio at least 1.5 times as long as wide, mericarps smooth, hairs and scales absent; apex rounded; prickles present, abundantly covering the fruit; calyx deciduous before maturity; carpels 5; seeds per loculus 2-4 or ≥5. Flowering time May, June, July, August, September, October, November or December. Distribution Botanical Province Northern, IBRA Bioregion North Kimberley, Victoria Bonaparte, Central Kimberley, Dampierland or Ord-Victorian-Plain.
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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/