Description
• Heavily branched shrub – grows as a compact clump, dense thicket or climbing bush
• Square prickly stems
• Flowers in compact heads with many colours
• Fruits are green, rounded, and fleshy turning purplish when ripe
Flowering Times
• Spring through autumn
Control Measure
• Herbicide
• Mechanical
• Biological – in specific situations only
Problems
• Many varieties poisonous to stock
• Excludes native plants
• Harbourage for feral animals
• Spread by animals and garden waste dumped into bushland
