Sida cardiophylla F.Muell.
Fragm. 8:242-243 (1874)

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

Brief Description
Grazyna Paczkowska, Tuesday 24 September 1996

Shrub, 0.3-1.3 m high. Fl. yellow-orange, Feb or May to Sep. Sand, stony clay loam. Sandplains.


Beard’s Provinces: Eremaean Province, Northern Province.

IBRA Regions: Central Ranges, Dampierland, Gascoyne, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Little Sandy Desert, Murchison, Pilbara.

IBRA Subregions: Augustus, Carnegie, Central, Chichester, Eastern Murchison, Fitzroy Trough, Fortescue, Hamersley, Lateritic Plain, Mackay, Mann-Musgrave Block, McLarty, Rudall, Trainor.

Local Government Areas (LGAs): Ashburton, Derby-West Kimberley, East Pilbara, Laverton, Meekatharra, Ngaanyatjarraku, Port Hedland, Sandstone, Wiluna.

Scientific Description
Chris Hollister and Kevin Thiele, Thursday 18 May 2017

Herb or shrub. Stems hairy. Leaves 10-20 mm long, 5-13 mm wide, not lobed; margins crenate; indumentum present, with stellate hairs; stipules present and persistent to older leaves or present but early deciduous (only visible on youngest leaves), 5-15 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 0.5-3.5 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, 5.5-6 mm long, the lobes fused less than half their length, stellate hairs present. Corolla yellow or orange, 3 mm long, hairs or scales present, stellate hairs present. Stamens many, united and arising from a staminal tube around the style; filaments present, 0.2 mm long; anthers 0.8 mm long. Ovary hairs or scales present, stellate hairs present; style 1, 2.5 mm long, with five or numerous style branches or lobes, mostly glabrous. Flowering time February, May, June, July, August or September. Distribution Botanical Province Northern or Eremaean, IBRA Bioregion Great Sandy Desert, Pilbara, Gascoyne, Little Sandy Desert, Gibson Desert, Central Ranges, Murchison, Great Victorian Desert or Dampierland.