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Name

Praxelis

Weed Habitat 

  • Spreads rapidly along roadsides and railway lines.
  • It invades pastures and annual crops.
  • And is also invasive in less-disturbed woodland habitats.

Description 

  • An annual to short-lived perennial herb, usually growing from 40-80cm tall, but can grow to 1meter.
  • Flowers throughout the year, but most commonly after onset of wet season.
  • Flowers are an intense lilac-blue colour. (Which can be confused with “bluetops”)
  • Leaves are hairy and toothed along edges. Crushed leaves emit a sharp, unpleasant aroma.
  • Each plant produces hundreds or even thousands of small black seeds.

Eupatorium catariumEupatorium catariumEupatorium catarium

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Plant Type

Leaf Arrangement

Other weed identifiers

Plant Life Cycle

Weed Declaration

Currently not declared however under the Biosecurity Act 2014 you still have an obligation to prevent or minimise a biosecurity risk posed by a pest.

Weed Spread