Tuberous woody rootstock, stems to 3 m long. Common and widespread. Develops into smothering mass among native plants. Persistent tubers and creeping rooting stems.
Broken roots resprout.
Wind dispersed seed. Disposal Chemical Control Spray with selected herbicide. Rate - 2 g per plant. Apply level teaspoon to the crushed centre of each plant. Recommended Approach Develops numerous tubers beneath the soil surface, allowing plant to easily regenerate if the top growth is pulled away.