Trifolium striatum L. Knotted Clover
Sp.Pl. 2:770 (1753)

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

Brief Description
Amanda Spooner, Thursday 23 August 2007

Prostrate, ascending or erect annual, herb, to 0.6 m high. Fl. pink-white, Oct to Dec or Jan to Mar.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Esperance Plains, Jarrah Forest, Warren.

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

IMCRA Regions: WA South Coast.

Local Government Areas (LGAs): Albany, Armadale, Boyup Brook, Busselton, Collie, Denmark, Esperance, Kojonup, West Arthur.

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

Alternative Names. Striate Clover.

General Biology. Growth form. Herb. Life form. Annual. Reproduction. Seed.

Notes. Has low germination rates in unsuitable environmental conditions.

Additional information. Origin. Macronesia, north Africa, temperate Asia, Europe. History of use/introduction. Forage. Similar exotic species. Trifolium species.

Suggested method of management and control. Spot spray with 1% glyphosate before flowering. Otherwise spot spray Lontrel® 3 ml/10 L (150 ml/ha) up to 6 leaf stage. 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             U U          
Active Growth             U U U U U U  
Flowering Y Y Y             Y Y Y  
Fruiting U U U               U U  
Optimum Treatment             O 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.
  • Can, E., Celiktas, N., Hatipoglu, R. & Avci, S. (2009) Breaking seed dormancy of some annual Medicago and Trifolium species by different treatments. Turkish Journal of Field Crops, 14 (2): 72-78.
  • 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.
  • Thomas, B.D. & Bowman, W.D. (1998) Influence of N2-fixing Trifolium on plant species composition in the alpine tundra. Oecologia, 115 (1/2): 26-31.
  • 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