Ixia maculata L. Yellow Ixia
Sp.Pl. edn 2, 2:1664 (1763)

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

Brief Description
Amanda Spooner, Thursday 16 August 2007

Cormous, perennial, herb, to 1 m high, perianth tube 0.5-2 cm long. Fl. yellow-orange-purple, Aug to Oct. Lateritic loam, grey sand, sandy clay, granite. Road verges.

Management Notes (for the Swan NRM Region)
Kate Brown and Karen Bettink, Monday 18 July 2016

General Biology. Growth form. Geophyte. Life form. Annually renewed corm. Reproduction. Cormels on stolons, seed. Dispersal. Water, soil. Seedbank persistence. Medium, 1-5 years. Fire response. Generally survives fire.

Additional information. Origin. South 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 - 5g /ha + Pulse®) or 2,2 DPA 5 g/L+ 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 TypeJanFebMarAprMayJunJulAugSepOctNovDecComments
DormantYYYY       Y 
Active Growth    YYYYYYY  
Flowering       YYY   
Fruiting         YY  
Optimum Treatment      YYY    

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.
  • Easton, S.D. & Dixon I.R. (2007) Effectiveness of 2,2-DPA in Controlling Babiana, Ixia and Allium in Native Bushland. Australian Association of Bush Regenerators (WA) Inc. Newsletter., 15 (5).
  • 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