Thomasia cognata Steud.
Lehm., Pl.Preiss. 1:232 (1845)

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

Brief Description
Grazyna Paczkowska, Wednesday 2 October 1996

Multi-stemmed shrub, 0.1-0.7 m high. Fl. pink-purple, Aug to Nov. White/grey or yellow sand. Coastal limestone & dunes.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Esperance Plains, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain, Warren.

IBRA Subregions: Fitzgerald, Geraldton Hills, Perth, Recherche, Southern Jarrah Forest, Warren.

IMCRA Regions: Leeuwin-Naturaliste, WA South Coast.

Local Government Areas (LGAs): Albany, Augusta-Margaret River, Busselton, Cockburn, Dandaragan, Esperance, Harvey, Jerramungup, Nannup, Northampton, Rockingham, Wanneroo, Waroona.

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

Shrub. Stems hairy. Leaves 10-40 mm long, 3-10 mm wide, not lobed; margins crenate; indumentum present, with stellate hairs; stipules present but early deciduous (only visible on youngest leaves), 4.8-10 mm long. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary or of one whorl only (the visible whorl is a calyx, sometimes petaloid) (by misinterpretation). Pedicel present, 3-4 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 6.5-7 mm long, the lobes free, indumentum present, stellate hairs present. Calyx pink or purple, 6.5-8 mm long, the lobes fused half or more of their length, stellate hairs present, number of ribs present, one. Corolla glabrous. Stamens five, free and inserted at the base of the ovary; filaments present, 1.3-1.6 mm long; anthers 1.4-2.2 mm long. Ovary hairs or scales present, stellate hairs present; style 1, with a lobed or capitate stigma, 1.6-2 mm long, with one style branches or lobes, mostly glabrous. Flowering time August, September, October or November. Distribution Botanical Province South-West, IBRA Bioregion Geraldton Sandplains, Swan Coastal Plain, Jarrah Forest, Warren or Esperance.