Lachenalia mutabilis Sweet
Brit.Fl.Gard. 5: Pl. 129 (1832)

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

Brief Description
Amanda Spooner, Thursday 29 November 2001

Herb. Fl. purple, Sep. Grey sand. Flat sites.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Swan Coastal Plain.

IBRA Subregions: Perth.

Local Government Areas (LGAs): Harvey, Perth.

Management Notes (for the Swan NRM Region)
Kate Brown and Karen Bettink, Monday 26 August 2019

General Biology. Growth form. Geophyte. Life form. Annually renewed bulb. Reproduction. Primarily seed. Dispersal. Water, soil. Time to first flowering. 2-3 years. Seedbank persistence. Medium, 1-5 years. Fire response. Generally survives fire.

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

Suggested method of management and control. Spot spray metsulfuron methyl 0.2 g/15 L + Pulse® or 2.5-5 g/ha + Pulse®. Apply just on flowering at corm exhaustion. 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  
Active Growth     Y Y Y Y Y Y Y Y Y    
Flowering                 Y O      
Fruiting                   U U    
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.
  • Duncan G.D. (1988) The Lachenalia handbook. Annals of Kirstenbosch Botanic Gardens, 17.
  • 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.

Project information and acknowledgements