Thomasia triphylla (Labill.) J.Gay
Mém.Mus.Hist.Nat. 7:458 (1821)

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

Brief Description
Grazyna Paczkowska, Wednesday 2 October 1996

Multi-stemmed shrub, 0.3-1.2 m high. Fl. pink-purple/white, Jul to Nov. Calcareous sand. Coastal limestone & dunes.


Beard’s Provinces: South-West Province.

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

IBRA Subregions: Dandaragan Plateau, Fitzgerald, Northern Jarrah Forest, Perth, Recherche, Southern Jarrah Forest, Warren.

IMCRA Regions: Central West Coast, Leeuwin-Naturaliste, WA South Coast.

Local Government Areas (LGAs): Albany, Augusta Margaret River, Busselton, Cambridge, Claremont, Cockburn, Cottesloe, Dandaragan, Esperance, Gingin, Harvey, Jerramungup, Kalamunda, Mosman Park, Nannup, Perth, Ravensthorpe, Wanneroo, Waroona.

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

Shrub. Stems hairy. Leaves 25-60 mm long, 10-35 mm wide, irregularly lobed, simply (once-)lobed; margins sinuate; indumentum present, with stellate hairs; stipules present but early deciduous (only visible on youngest leaves), 10-15 mm long. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 6-7 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 5-8 mm long, the lobes free, indumentum present, stellate hairs present. Calyx pink, purple or white. Corolla glabrous. Stamens five, free and inserted at the base of the ovary; filaments present, 4 mm long; anthers 2.8-3.4 mm long. Ovary style 1, with a lobed or capitate stigma, 3 mm long, with one style branches or lobes, hairy for most of length. Flowering time July, August, September, October or November. Distribution Botanical Province South-West, IBRA Bioregion Swan Coastal Plain, Jarrah Forest, Warren or Esperance.