Erect, robust, spiny annual or biennial, herb, 0.3-1.2 m high. Fl. purple, Oct to Dec. Sandy & loamy soils. Weed of waste places & pastures.
Beard’s Provinces: South-West Province.
IBRA Regions: Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions: Avon Wheatbelt P1, Geraldton Hills, Perth, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions: WA South Coast.
Local Government Areas (LGAs): Albany, Boyup Brook, Bridgetown-Greenbushes, Bunbury, Chapman Valley, Dardanup, Denmark, Donnybrook-Balingup, Harvey, Kellerberrin, Kondinin, Manjimup, Stirling.