Smooth-stemmed turnip (Brassica barrelieri subsp. oxyrrhina)



It has the potential to become a weed of canola crops.


Smooth stemmed turnip is an annual plant up to 50 cm tall. It leaves are deeply and jaggedly divided and has white to pale yellow flowers. It is very similar looking to other Brassica weeds.    


Richardson F.J.,Richardson R.G. and Shepherd R.C.H (2006).Weeds of the south-east an identification guide for Australia. (R.G. and F.J. Richardson, Melbourne).

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Herbicide options

Contact your local council weeds officer for control advice for Smooth-stemmed turnip (Brassica barrelieri subsp. oxyrrhina).

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Biosecurity duty

The content provided here is for information purposes only and is taken from the Biosecurity Act 2015 and its subordinate legislation, and the Regional Strategic Weed Management Plans (published by each Local Land Services region in NSW). It describes the state and regional priorities for weeds in New South Wales, Australia.

Area Duty
All of NSW General Biosecurity Duty
All plants are regulated with a general biosecurity duty to prevent, eliminate or minimise any biosecurity risk they may pose. Any person who deals with any plant, who knows (or ought to know) of any biosecurity risk, has a duty to ensure the risk is prevented, eliminated or minimised, so far as is reasonably practicable.

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Reviewed 2014