Weed Habitat 

• A garden escapee that colonises disturbed areas, roadsides, camping grounds, overgrazed sites and along levee banks of creeks.

Description 

• Erect annual herb to 3 meters high covered with short white hairs.
• Stems are quadrangular often grooved.
• Leaves opposite, with toothed edges.
• Flowers orange and velvety in 2-4 round spiky clusters along the upper stem, and form hard spiky balls when mature.
•  Seeds are very small, many, and triangular.