Sida spodochroma F.Muell.
Linnaea 25:383 (1853)

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

Brief Description
Grazyna Paczkowska, Tuesday 24 September 1996

Prostrate perennial, herb, 0.05-0.3 m high. Fl. yellow/orange, Sep to Oct. Red sandy clay loam over limestone. Plains.


Beard’s Provinces: Eremaean Province, South-West Province.

IBRA Regions: Avon Wheatbelt, Coolgardie, Gibson Desert, Great Victoria Desert, Hampton, Murchison, Nullarbor.

IBRA Subregions: Avon Wheatbelt P1, Central, Central band, Nullarbor Plain, Eastern Goldfield, Eastern Murchison, Hampton, Lateritic Plain, Mardabilla, Shield, Southern Cross.

Local Government Areas (LGAs): Coolgardie, Dundas, Esperance, Kalgoorlie-Boulder, Laverton, Menzies, Ngaanyatjarraku, Wongan-Ballidu, Yilgarn.

Scientific Description
C. Hollister and K.R. Thiele, Wednesday 15 January 2020

Herb or shrub. Stems hairy. Leaves 7-40 mm long, 5-18 mm wide, not lobed; margins serrate; indumentum present, with stellate hairs; stipules present and persistent to older leaves. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 7-15 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, 6-10 mm long, the lobes fused less than half their length, stellate hairs present. Corolla yellow or orange, 3.2 mm long, glabrous. Stamens many, united and arising from a staminal tube around the style; filaments present, 0.5-0.6 mm long; anthers 0.4-0.6 mm long. Ovary hairs and scales absent (ovary quite glabrous); style 1, 2.3-2.5 mm long, with five or numerous style branches or lobes, mostly glabrous. Fruits indehiscent and splitting into sections (schizocarps), mericarps wrinkled. Flowering time September or October. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Murchison, Great Victorian Desert, Coolgardie, Nullarbor, Hamton or Avon Wheatbelt.