Sida spenceriana F.Muell.
S.Sci.Rec. Ser.2,1:75 (1885)

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

Brief Description
Amanda Spooner, Tuesday 21 November 2000

Wispy perennial, herb, to 0.3 m high. Cracking black soil. Plains.

Distribution

Beard’s Provinces: Eremaean Province, Northern Province.

IBRA Regions: Tanami, Victoria Bonaparte.

IBRA Subregions: Tanami P1, Victoria Bonaparte P1.

Local Government Areas (LGAs): Halls Creek, Wyndham-East Kimberley.

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

Herb or shrub. Stems hairy. Leaves 10-24 mm long, 1.5-3 mm wide, not lobed; margins entire; indumentum present, with stellate hairs; stipules present and persistent to older leaves, 7-10 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 15-30 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, 4 mm long, the lobes fused half or more of their length, stellate hairs present. Corolla yellow, 6 mm long, glabrous. Stamens many, united and arising from a staminal tube around the style; filaments present, 1.4 mm long; anthers 0.5 mm long. Ovary hairs and scales absent (ovary quite glabrous); style 1, 2.7 mm long, with five or numerous style branches or lobes, mostly glabrous. Fruits indehiscent and splitting into sections (schizocarps), mericarps wrinkled. Flowering time August. Distribution Botanical Province Northern or Eremaean, IBRA Bioregion Tanami or Victoria Bonaparte.