Gossypium australe F.Muell. Native Cotton
Fragm. 1:46 (1858)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Thursday 19 September 1996

Shrub, 0.5-3 m high. Fl. blue-purple/pink, Apr to Oct. Red, often sandy soils.

Distribution

Beard’s Provinces: Eremaean Province, Northern Province.

IBRA Regions: Carnarvon, Central Kimberley, Dampierland, Gibson Desert, Great Sandy Desert, Little Sandy Desert, Northern Kimberley, Ord Victoria Plain, Pilbara, Tanami, Victoria Bonaparte.

IBRA Subregions: Cape Range, Chichester, Fitzroy Trough, Fortescue, Hamersley, Hart, Lateritic Plain, Mackay, McLarty, Mitchell, Mount Eliza, Ord, Ord-Victoria Plains P1, Pentecost, Pindanland, Roebourne, Rudall, South Kimberley Interzone, Tanami P1, Victoria Bonaparte P1, Wooramel.

IMCRA Regions: Canning.

Local Government Areas (LGAs): Ashburton, Broome, Carnarvon, Derby-West Kimberley, East Pilbara, Exmouth, Halls Creek, Karratha, Port Hedland, Wyndham-East Kimberley.

Scientific Description
Chris Hollister and Kevin Thiele, Saturday 12 November 2016

Herb or shrub. Stems hairy. Leaves 50-120 mm long, 25-45 mm wide, not lobed; margins entire; hairs and scales absent (leaves quite glabrous); stipules present and persistent to older leaves or present but early deciduous (only visible on youngest leaves). Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 10-25 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 9-12 mm long, the lobes free, glabrous. Calyx green, 17-27 mm long, the lobes fused less than half their length, stellate hairs present. Corolla pink, blue or purple, 25-50 mm long, glabrous. Stamens many, united and arising from a staminal tube around the style; filaments present, 0.5-0.7 mm long; anthers 1.5-2 mm long. Ovary hairs and scales absent (ovary quite glabrous); style 1, with a lobed or capitate stigma, 15 mm long, with one style branches or lobes, mostly glabrous. Fruits dehiscent (capsules and follicles), length-width ratio more or less as long as wide, hairs or scales present, stellate hairs present; apex rounded; calyx persistent to mature fruit, not accrescent; seeds per loculus 2-4. Flowering time April, May, June, July, August, September or October. Distribution Botanical Province Northern or Eremaean, IBRA Bioregion Great Sandy Desert, Tanami, Carnarvon, Little Sandy Desert, Gibson Desert, North Kimberley, Victoria Bonaparte, Central Kimberley, Dampierland or Ord-Victorian-Plain.