Description
• Annual shrub up to 3m high
• Alternate leaves up to 15cm long on reddish stems
• Yellow flowers with 4 petals
• Oblong shaped fruit containing numerous minute seeds
Flowering Times
• Summer to winter
Control Measure
• Hand removal before setting seed
• Herbicide
Problems
• Millions of minute seeds per plant
• Seeds readily dispersed by wind, water, animal and human activity
• Can dominate wetland and riparian communities
• Reduces biodiversity and habitat of native species
