Erect, long-stemmed, clump- forming perennial <80cm tall. Dark green leaves divided into 13 pairs of toothed, softly-haired leaflets. Green, spiny, purple-anthered flowers (Oct-Feb) on narrow flower spikes. Fruits covered with numerous red, barbed spines.
Short dry grassland, riverbeds, roadsides, waste places.
Seeds attach to wool, fur, clothing etc.
Avoid soil disturbance & bare ground. Maintain good pasture cover to prevent re-establishment. Replant with native species where appropriate.
1. Grub out isolated plants before flowering (Mar-Apr).
2. Spray before plants set seed (1.5g metsulfuron+10ml penetrant/10L or 50ml Tordon Gold/10L).
Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.