Erect annual herb < 2.5 m tall. Stems are hairy and much branched in upper section. Leaves are large, alternate, heart-shaped, hairy and soft. Flowers are yellow and borne in January – February. Seed pods are borne in cup-shaped circular clusters.
To help protect our environment:
Crops, gardens, wasteland, fence lines, roadsides.
Seeds dispersed by gravity. Human-mediated dispersal through movement of contaminated soil, crop seeds, crops, farming machinery and feed grain.
Reduces crop yield. Allelopathic.
Follow up treated areas 3 times per year. Other herbicides are available for selective use in pasture and crops. Contact Auckland Council for more information.
CAUTION: When using any herbicide or pesticide please read the label thoroughly to ensure that all instructions and safety requirements are followed.