Click on images to enlarge
infestation of mature plants (Photo: Sheldon Navie)
infestation of young plants (Photo: Sheldon Navie)
habit (Photo: Sheldon Navie)
rosette of large lower leaves (Photo: Sheldon Navie)
close-up of deeply-lobed lower leaf (Photo: Sheldon Navie)
close-up of leaf underside (Photo: Sheldon Navie)
smaller upper leaves and young flower cluster (Photo: Sheldon Navie)
close-up of flowers and young fruit (Photo: Sheldon Navie)
immature and mature fruit (Photo: Sheldon Navie)
close-up of seeds (Photo: Steve Hurst at USDA PLANTS Database)
seedling (Photo: Sheldon Navie)
young plant (Photo: Sheldon Navie)
Sisymbrium irio L.
Brassicaceae (Queensland, New South Wales, the ACT, Victoria, Tasmania, Western Australia and the Northern Territory)Cruciferae (South Australia)
desert mustard, London rocket, London-rocket, Londonrocket, rocket mustard
Native to northern Africa, southern Europe, the middle-east, western Asia, Pakistan and western China.
Widely naturalised in southern, central and eastern Australia (i.e. in southern and central Queensland, New South Wales, the ACT, western and central Victoria, Tasmania, South Australia, the southern and western parts of Western Australia, and the southern parts of the Northern Territory).
Also naturalised overseas in North America (i.e. in Mexico and many parts of the USA) and Hawaii.
London rocket (Sisymbrium irio) is a widespread weed of crops, pastures, roadsides, parks, gardens, lawns, footpaths, disturbed sites and waste areas. However, it also invades open woodlands, shrublands and vegetation near watercourses in the semi-arid areas of southern Australia. It is regarded as a minor environmental weed in Victoria and Western Australia.
Fact sheets are available from Department of Employment, Economic Development and Innovation (DEEDI) service centres and our Customer Service Centre (telephone 13 25 23). Check our website at www.biosecurity.qld.gov.au to ensure you have the latest version of this fact sheet. The control methods referred to in this fact sheet should be used in accordance with the restrictions (federal and state legislation, and local government laws) directly or indirectly related to each control method. These restrictions may prevent the use of one or more of the methods referred to, depending on individual circumstances. While every care is taken to ensure the accuracy of this information, DEEDI does not invite reliance upon it, nor accept responsibility for any loss or damage caused by actions based on it.
Copyright © 2016. All rights reserved. Identic Pty Ltd. Special edition of Environmental Weeds of Australia for Biosecurity Queensland.
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