Chasmanthe floribunda (Salisb.) N.E.Br. African Cornflag
Trans.Roy.Soc.South Africa 20:274 (1932)

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

Brief Description
Amanda Spooner, Wednesday 15 August 2007

Cormous, perennial, herb, 0.4-1.5 m high. Fl. orange-red/yellow, Jul to Oct. Brown sandy clay or clayey loam over laterite, black sand, granite. Hills, disturbed woodlands.

Distribution

Beard’s Provinces: South-West Province.

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

IBRA Subregions: Avon Wheatbelt P2, Geraldton Hills, Northern Jarrah Forest, Perth, Recherche, Southern Jarrah Forest, Warren.

IMCRA Regions: Leeuwin-Naturaliste, WA South Coast.

Local Government Areas (LGAs): Albany, Augusta-Margaret River, Busselton, Chapman Valley, Chittering, Dardanup, Esperance, Fremantle, Gingin, Gosnells, Harvey, Joondalup, Kalamunda, Manjimup, Mundaring, Murray, Nedlands, Northampton, Stirling, Subiaco, Swan, Victoria Plains, Wanneroo, Waroona, West Arthur, Wickepin, Williams, York.

Management Notes (for the Swan NRM Region)
Kate Brown and Karen Bettink, Thursday 21 December 2017

General Biology. Growth form. Geophyte. Life form. Annually renewed corm. Reproduction. Primarlily seed, also corm offsets. Dispersal. Primarily birds, also water and soil. Time to first flowering. 4 years. Fire response. Generally survives fire.

Notes. Ripe seed are glossy orange.

Additional information. Origin. South Africa. History of use/introduction. Garden escape.

Suggested method of management and control. Spot spray glyphosate 1% + Pulse® before flowering. 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.

Management Calendar

Calendar Type Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Comments
Dormant Y Y Y Y               Y  
Active Growth         Y Y Y Y Y Y Y    
Flowering             Y Y Y        
Fruiting               Y Y Y      
Germination         Y Y              
Optimum Treatment           Y Y            

Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.

 

References

  • Brown, K. & Brooks, K. (2002) Bushland Weeds: A Practical Guide to their Management. Environmental Weeds Action Network, Greenwood.
  • Du Plessis, N. & Duncan G. (1989) Bulbous plants of Southern Africa. Tafelberg Publishers Ltd, Cape Town, South Africa.
  • Government of South Australia (2007) Electronic Flora of South Australia species Fact Sheet. URL: http://www.flora.sa.gov.au/cgi-bin/texhtml.cgi?form=speciesfacts&family=Iridaceae&genus=Chasmanthe&species=floribunda - Accessed December 2007.
  • Hussey, B.M.J., Keighery, G.J., Dodd, J., Lloyd, S.G. & Cousens, R.D. (2007) Western Weeds. A guide to the weeds of Western Australia. 2nd Edition. The Plant Protection Society of Western Australia, Victoria Park.
  • Moore, C.B. & Moore, J.H. (2002) Herbiguide, the pesticide expert on a disk. Herbiguide, PO Box 44 Albany, Western Australia, 6330.

Project information and acknowledgements