Oxalis depressa Eckl. & Zeyh.

Reference: Enum.Pl.Afric.Austral. 91 (1835)
Conservation Code: Not threatened
Naturalised Status: Alien to Western Australia
Name Status: Current

Herb. Fl. white, May to Jun. Roadsides.

Distribution

IBRA Regions: Swan Coastal Plain.
IBRA Subregions: Perth.
Local Government Areas (LGAs): Busselton.

Management Notes (for the Swan NRM Region)

General Biology. Growth form. Geophyte. Life form. Annually renewed bulb. Fire response. Generally survives fire.

Additional information. Origin. South Africa. Similar exotic species. Oxalis purpurea.

Suggested method of management and control. Spot spray metsulfuron methyl 0.2 g/15 L + Pulse®, or 1% glyphosate. Physical removal can result in spread of bulbils. Apply at bulb exhaustion, generally just on flowering. 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
Dormant	Y	Y	Y									Y
Active Growth				Y	Y	Y	Y	Y	Y	Y	Y
Flowering					Y	Y
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.
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.