Sida picklesiana A.S.Markey, S.J.Dillon & R.M.Barker
Nuytsia 21:128-133, Figs. 1-3 (2011)

Conservation Code: Priority Three
Naturalised Status: Native to Western Australia
Name Status: Current


Beard’s Provinces: Eremaean Province.

IBRA Regions: Gascoyne, Murchison.

IBRA Subregions: Augustus, Eastern Murchison.

Local Government Areas (LGAs): Cue, Meekatharra, Wiluna.

Scientific Description
Chris Hollister and Kevin Thiele, Wednesday 21 August 2019

Herb or shrub. Stems glabrous. Leaves 10-45 mm long, 10-34 mm wide, not lobed; margins entire; indumentum present, with stellate hairs; stipules present but early deciduous (only visible on youngest leaves), 0.5-4 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 0.4-3.5 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent, NaN (?) mm long. Calyx green, 3-5 mm long, the lobes fused half or more of their length, stellate hairs present. Corolla yellow, 4-8 mm long, glabrous. Stamens many, united and arising from a staminal tube around the style; filaments present, 0.3-1 mm long; anthers 0.5-1 mm long, indumentum absent (anthers glabrous). Ovary hairs and scales absent (ovary quite glabrous); style 1, 2-2.8 mm long, with five style branches or lobes, mostly glabrous. Fruits indehiscent and splitting into sections (schizocarps), length-width ratio more or less as long as wide, mericarps wrinkled, hairs or scales present or hairs and scales absent, stellate hairs present, scales absent; apex rounded; prickles absent (except perhaps a terminal awn); calyx persistent to mature fruit. Flowering time April, August or November. Distribution Botanical Province Eremaean, IBRA Bioregion Gascoyne or Murchison. Conservation Code Priority Three (P3).