Perennial wetland shrub <3m high. Woody taproot. Dark green stems branched and hairy when young. Oval to lance shaped leaves covered on both sides with minute, soft hairs. Conspicuous yellow flowers Spring-Autumn. Erect fruit capsule.
Still freshwater, wet soils: wetlands, ditches.
Seed dispersed by waterfowl, human activity, water movement. Vegetative spread by suckers, broken stems.
Clogs waterways and replaces native plants.
Begin treatment at top of catchment and work downstream. Clean all boat, trailer and fishing gear.
1. Weedmat small infestations for at least 4 months.
2. Spray (100mls glyphosate/10L)
Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.