Tribonanthes violacea Endl.
Lehm., Pl.Preiss. 2:28 (1848)

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

Brief Description
Grazyna Paczkowska, Tuesday 21 June 1994

Tuberous, perennial, herb, 0.05-0.2 m high. Fl. white-purple, Jul to Oct. White, grey or yellow sand, peat, clay loam, granite. Seasonally-wet locations, granite outcrops.


Beard’s Provinces: South-West Province.

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

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Dandaragan Plateau, Fitzgerald, Geraldton Hills, Lesueur Sandplain, Northern Jarrah Forest, Perth, Recherche, Southern Jarrah Forest, Warren.

IMCRA Regions: Leeuwin-Naturaliste.

Local Government Areas (LGAs): Albany, Augusta-Margaret River, Beverley, Boyup Brook, Bridgetown-Greenbushes, Broomehill-Tambellup, Busselton, Canning, Capel, Carnamah, Chapman Valley, Collie, Coorow, Cranbrook, Dalwallinu, Denmark, Esperance, Gingin, Gosnells, Greater Geraldton, Harvey, Jerramungup, Kojonup, Manjimup, Melville, Mingenew, Murray, Nannup, Northampton, Plantagenet, Ravensthorpe, Swan, Three Springs, Victoria Plains, Wagin, Wandering, West Arthur, Wongan-Ballidu.

Scientific Description
Chris Hollister and Kevin Thiele, Tuesday 29 August 2017

Leaves flat, 60-185 mm long, 0.6-1.2 mm wide; bristles or hairs on the leaf margin absent; hairs on the surface of the leaf absent (leaf surfaces glabrous). Scape present, glabrous, 60-240 mm long. Inflorescence subtended by a bract 12-40 mm long, with one flower; floral bracts 5-9 mm long; flowers 9-14 mm long. Perianth hairy, radially symmetrical, uniformly coloured, purple, with six more or less equal tepals, the inner segments 5-9 mm long. Stamens six, in one level; filaments 1-2 mm long; anther 1-1.8 mm long, with an appendage. Style 3.2-4 mm long. Flowers in July, August, September or October. Occurs in the Geraldton Sandplains, Swan Coastal Plain, Avon Wheatbelt, Jarrah Forest, Warren and Esperance IBRA bioregion(s), of the South-west Botanical Province.