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Lachenalia reflexa Thunb.

Reference
Prodr.Pl.Cap. 64 (1794)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Bulbaceous, perennial, herb, 0.05-0.2 m high. Fl. yellow-green, Jul to Aug. Grey or black sand.

Grazyna Paczkowska, Descriptive Catalogue, 28 June 1994
Image

Distribution

IBRA Regions
Geraldton Sandplains, Swan Coastal Plain.
IBRA Subregions
Lesueur Sandplain, Perth.
Local Government Areas (LGAs)
Cockburn, Coorow, East Fremantle, Fremantle, Joondalup, Melville, Mosman Park, Nedlands, Rockingham, Subiaco, Victoria Park.

Management Notes (for the Swan NRM Region)

Alternative Names. Cape Cowslip.

General Biology. Growth form. Geophyte. Reproduction. Primarily by seed, occasionally bulbils on leaves. Dispersal. Water, soil. Seedbank persistence. Short/medium term, 1-2 years. Fire response. Mass flowering, germination and seed set following fire.

Notes. Prefers alkaline soils. Serious weed of coastal shrubland, Banksia and Tuart woodland on the Swan Coastal Plain. Produces a large number of viable seeds that germinate each year.

Additional information. Origin. Western and southwestern Cape Provence, South Africa. History of use/introduction. Introduced as a garden ornamental, first recorded as naturalised south of Perth in 1957. Similar exotic species. Lachenalia aloides, L. bulbifera, L. mutabilis.

Suggested method of management and control. Spot spray metsulfuron methyl 0.2 g/15 L + Pulse® (2.5g-5 g/ha). 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 O         O Y Y  
Germination       O Y Y Y O          
Active Growth         O Y Y Y Y O      
Flowering           O Y Y Y O      
Fruiting               Y Y O      
Optimum Treatment           O 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.
  • Brown, K. & Brooks, K. (2002) Bushland Weeds: A Practical Guide to their Management. Environmental Weeds Action Network, Greenwood.
  • Brown, K., Brooks, K., Madden, S. & Marshall, J. (2002) Control of the exotic bulb, Yellow Soldier (Lachenalia reflexa) invading a Banksia woodland, Perth, Western Australia. Ecological Management and Restoration, 3 (1): 26-34.
  • Brown, K., Brooks, K., Madden, S. & Marshall, J. (2002) Control of the exotic bulb, Yellow Soldier (Lachenalia reflexa) invading a Banksia woodland, Perth, Western Australia. Ecological Management and Restoration, 3 (1): 26-34.
  • CRC Weed Management (2003) Yellow soldier (Lachenalia reflexa) weed management guide. Alert List for Environmental Weeds. Department of Environment and Heritage URL: http://www.weeds.gov.au/publications/guidelines/alert/pubs/l-reflexa.pdf - Accessed May 2008.
  • Duncan G.D. (1988) The Lachenalia handbook. Annals of Kirstenbosch Botanic Gardens, 17.
  • 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.
  • 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.
  • Paczkowska, G. & Chapman, A.R. (2000) The Western Australian flora: A descriptive catalogue. Western Australian Wildflower Society (Inc.), Western Australian Herbarium and Botanic Gardens and Parks Authority, Perth.