Ranunculus muricatus L. Sharp Buttercup
Sp.Pl. 1:555 (1753)

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

Brief Description
Grazyna Paczkowska, Friday 17 May 1996

Erect or prostrate annual, herb, 0.04-0.3 m high. Fl. yellow/green-yellow, Aug to Dec. Peaty sand. Winter-wet situations, swamps or in running water.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Jarrah Forest, Swan Coastal Plain, Warren.

IBRA Subregions: Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.

IMCRA Regions: Leeuwin-Naturaliste, WA South Coast.

Local Government Areas (LGAs): Albany, Augusta-Margaret River, Bayswater, Bridgetown-Greenbushes, Busselton, Canning, Chittering, Dardanup, Gingin, Gosnells, Harvey, Manjimup, Mundaring, Murray, Nannup, Nedlands, Perth, Plantagenet, Serpentine-Jarrahdale, Swan, Wanneroo, Waroona.

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

Alternative Names. Rough-fruit Buttercup.

General Biology. Growth form. Herb. Life form. Annual. Reproduction. Seed. Toxicity. All fresh plant parts are poisonous.

Notes. Flowers are hermaphrodite (have both male and female parts) and are pollinated by flies. Has allelopathic properties, inhibiting growth of nearby plant species. Simazine resistant biotypes are recorded from Spain.

Additional information. Origin. Macaronesia, northern Africa, Asia, Europe.

Suggested method of management and control. Hand remove small/isolated infestions. 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         Y Y              
Active Growth           Y Y Y Y Y Y    
Flowering               Y Y Y Y Y  
Fruiting                 Y Y Y Y  
Manual Removal             Y Y Y Y      

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

 

References

  • Bansal, G.L. (1997) Allelopathic effect of buttercups on wheat varieties. Allelopathy Journal, 4 (1): 139-142.
  • Brown, K. & Brooks, K. (2002) Bushland Weeds: A Practical Guide to their Management. Environmental Weeds Action Network, Greenwood.
  • Fraga, M.I., Areses, M.L., Baleato, J.C., Duran, M.V., Gonzalez, M.L., Rey, A., Sahuquillo, E. & Tasende, M.G. (1999) The occurrence of simazine resistant biotypes in weed species of Galician crops (NW Spain). In SEMh Congreso 1999: Sociedad Espanola de Malherbologia, Actas, Logrono, Spain, 23-25 Noviembre 1999. 375-379.
  • 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.
  • Naeem, S. (1993) Analytical studies of ecological factors contributing to weed flora establishment and management in rainfed wheat. Department of Biological Sciences/Quaid-i-Azam University, Islamabad. Thesis.
  • Plants for a future (Undated) Plant Database. Plants For A Future, England and Wales. URL: http://www.pfaf.org/index.php - Accessed April 2010.
  • 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