Gorteria personata L. Gorteria
Syst.Nat. Ed. 10, 2:1229 (1759)

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

Brief Description
Amanda Spooner, Tuesday 13 May 1997

Perennial, herb, 0.1-0.5 m high. Fl. Aug to Oct. Clay loam, sandy clay. Red stony country.

Distribution

Beard’s Provinces: Eremaean Province, South-West Province.

IBRA Regions: Avon Wheatbelt, Jarrah Forest, Yalgoo.

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Northern Jarrah Forest, Tallering.

IMCRA Regions: Central West Coast.

Local Government Areas (LGAs): Chittering, Cunderdin, Greater Geraldton, Mingenew, Moora, Perenjori, Victoria Plains.

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

General Biology. Growth form. Herb. Life form. Annual. Reproduction. Seed. Dispersal. Animals (adhesion), machinery, footwear, tyres. Seedbank persistence. Several years.

Notes. Can compete strongly with native plants. Has a slender taproot with many fibrous laterals. Seed are contained within burrs, these mature 4-6 weeks after flowering. One seed in the burr germinates from February to July with the main flush of germination occurring after rainfall in May. In the following season other seeds within the burr may germinate. Declared plant in Western Australia.

Additional information. Origin. Winter rainfall region of South Africa.

Suggested method of management and control. Manually remove isolated plants, collect burrs and dispose of carefully. Manage vehicle, human and animal access to infested areas to prevent spread of burrs. Consult DAFWA for herbicide control options. 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
Germination O O O O Y Y O           Depends on rainfall
Active Growth           Y Y Y Y Y Y    
Flowering   O O O O O O Y Y Y O    
Fruiting                   Y Y    
Manual Removal           Y Y Y Y Y      
Herbicide Treatment           Y Y Y O        

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.
  • 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.
  • USDA, ARS, National Genetic Resources Program (2009) Germplasm Resources Information Network - (GRIN). National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomysimple.aspx - Accessed October 2009.

Project information and acknowledgements