Caespitose annual, grass-like or herb, 0.2-0.6 m high. Fl. purple-green, Jul to Nov. White or grey sand, loam. Sand dunes.
Beard’s Provinces: Eremaean Province, South-West Province.
IBRA Regions: Avon Wheatbelt, Carnarvon, Coolgardie, Esperance Plains, Geraldton Sandplains, Hampton, Jarrah Forest, Mallee, Murchison, Swan Coastal Plain, Warren, Yalgoo.
IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Dandaragan Plateau, Eastern Mallee, Edel, Fitzgerald, Geraldton Hills, Hampton, Lesueur Sandplain, Northern Jarrah Forest, Perth, Recherche, Southern Cross, Southern Jarrah Forest, Tallering, Warren, Western Mallee, Western Murchison, Wooramel.
IMCRA Regions: Abrolhos Islands, Central West Coast, Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs): Albany, Augusta-Margaret River, Beverley, Broomehill-Tambellup, Bunbury, Busselton, Cambridge, Capel, Chapman Valley, Cockburn, Coorow, Corrigin, Cranbrook, Cuballing, Cunderdin, Dalwallinu, Dandaragan, Dardanup, Denmark, Dowerin, Dundas, Esperance, Gingin, Gnowangerup, Goomalling, Greater Geraldton, Harvey, Jerramungup, Joondalup, Kalamunda, Kellerberrin, Kondinin, Manjimup, Melville, Merredin, Moora, Morawa, Mundaring, Murray, Narembeen, Narrogin, Nedlands, Northam, Northampton, Perenjori, Perth, Pingelly, Plantagenet, Ravensthorpe, Rockingham, Shark Bay, South Perth, Stirling, Swan, Tammin, Toodyay, Trayning, Victoria Plains, Wagin, Wandering, Waroona, Wickepin, Wongan-Ballidu, Woodanilling, Wyalkatchem, Yalgoo, Yilgarn, York.
General Biology. Growth form. Grass. Life form. Annual, caespitose. Reproduction. Seed. Dispersal. Water, wind, mammals, slashing. Photosynthetic Pathway. C3. Seedbank persistence. 1+ years. Fire response. Increases in cover by mass germination of soil-stored seed.
Notes. Has staggered germination.
Additional information. Origin. Namibia, South Africa. History of use/introduction. Animal fodder. Similar exotic species. Ehrharta calycina.
Suggested method of management and control. Hand remove small infestations. Alternatively spray with Fusilade Forte® 30 ml/10 L or 1.6 L/ha (based on 500 L water/ha) + wetting agent or for generic fluazifop-p (212g/L active ingredient) 18ml/10L or 1L/ha + wetting agent before flowering stem emerges, or at 3-5 leaf stage. Secondary seedling flush often occurs, repeat treatment if necessary. Read the manufacturers' labels and material safety data sheets before using herbicides. For further information consult the Australian Pesticides and Veterinary Medicines Authority to determine the status of permits for your situation or state.
Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.
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Western Australian Herbarium (1998–). FloraBase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. https://florabase.dpaw.wa.gov.au/