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Stemless thistle (Onopordum acaulon) (Nox)

Invasive Assessment | Impact Assessment | Potential Distribution

Scientific name:Onopordum acaulon L.

Common Name:
Stemless thistle, White thistle, Flat thistle

Status:
Declared Noxious weed. The Agriculture Victoria website has information about the noxious weed classification of this species.

Habitat:
Warm-temperate regions typically in areas receiving less than 450 mm annual rainfall, usually on sandy but sometimes heavier calcareous soils (Parsons and Cuthbertson 1992). It commonly occurs on pastures, roadsides and neglected areas (Parsons and Cuthbertson 1992). Stemless thistle invades mallee shrubland and lowland grassland and grassy woodland (Carr et al 1992).

Photo: Stemless Thistle Flower Head
Stemless thistle flower heads
Photo: Mark Imhof		Photo: Stemless Thistle
Stemless thistles
Photo: Mark Imhof
CC BY 4.0 AU

This page contains material sourced from the Victorian Resources Online (VRO) website, originally published by the State Government of Victoria.

The content is provided under the Creative Commons Attribution 4.0 Australia licence (CC BY 4.0 AU).

This material is presented in an archived form and is no longer maintained or updated. It is provided for general information only and should not be relied upon as current advice.

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