Cormous, perennial, herb, 0.3-1(-1.5) m high. Fl. orange-red, Nov to Dec or Jan to Mar. Black or grey sandy loam, sandy clay over clay. Flats, hills, along permanent creeklines, grassy verges.
Beard’s Provinces: South-West Province.
IBRA Regions: Jarrah Forest, Warren.
IBRA Subregions: Southern Jarrah Forest, Warren.
IMCRA Regions: WA South Coast.
Local Government Areas (LGAs): Albany, Augusta-Margaret River, Denmark, Manjimup.
Alternative Names. Montbretia, x crocosmiiflora Lemoine, Tritonia x crocosmiflora G.Nicholson.
General Biology. Growth form. Geophyte. Life form. Perennial corm. Reproduction. Corms, stolons, occasionally seed. Dispersal. Water, machinery, soil movement. Fire response. Generally survives fire.
Notes. Seed viability is variable across regions. Plants may have as many as 15 corms at the base that form a dense mat below the soil surface.
Additional information. Origin. Hybrid betweeen two South African species. History of use/introduction. Garden escape. Similar exotic species. Chasmanthe floribunda.
Suggested method of management and control. Spot spray 2% glyphosate + Pulse® in late spring just before flower spikes emerge and before new corms develop. Hand remove carefully to ensure all corms are removed. Corms dislodge easily. 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/