Thomasia solanacea (Sims) J.Gay
Mém.Mus.Hist.Nat. 7:456 (1821)

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

Brief Description
Grazyna Paczkowska, Wednesday 2 October 1996

Erect shrub, 0.5-3 m high. Fl. blue-purple-pink, Sep to Dec. Alluvium, sand over limestone, rocky loam. Coastal areas.


Beard’s Provinces: South-West Province.

IBRA Regions: Esperance Plains, Jarrah Forest, Warren.

IBRA Subregions: Fitzgerald, Southern Jarrah Forest, Warren.

IMCRA Regions: WA South Coast.

Local Government Areas (LGAs): Albany, Denmark, Jerramungup.

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

Shrub. Stems scaly. Leaves 45-90 mm long, 20-60 mm wide, not lobed, tripartitely lobed or irregularly lobed, simply (once-)lobed or complexly (twice-)lobed; margins sinuate; indumentum present, with stellate hairs; stipules present but early deciduous (only visible on youngest leaves), 10-20 mm long. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 3-5 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 3.5-5 mm long, the lobes free, indumentum present, stellate hairs present. Calyx pink, blue or purple, 7-8 mm long, the lobes fused less than half their length, stellate hairs present, absent, number of ribs present, one. Corolla 0.4-0.6 mm long, glabrous. Stamens five, free and inserted at the base of the ovary; filaments present, 0.7-1.6 mm long; anthers 2.8-3.8 mm long, indumentum absent (anthers glabrous). Staminodes present. Ovary hairs or scales present, stellate hairs present; style 1, with a lobed or capitate stigma, 2.2-2.7 mm long, with one style branches or lobes, mostly glabrous. Flowering time September, October, November or December. Distribution Botanical Province South-West, IBRA Bioregion Jarrah Forest, Warren or Esperance. Conservation Code Priority Four (P4).