Click on images to enlarge
habit (Photo: Rob and Fiona Richardson)
stems, flowers and immature fruit (Photo: Rob and Fiona Richardson)
close-up of flower (Photo: Rob and Fiona Richardson)
close-up of flower and immature fruit (Photo: Ros Shepherd)
the blue-flowered form of annual blue-eyed grass, Sisyrinchium rosulatum (Photo: Trevor James)
close-up of the flowers of annual blue-eyed grass, Sisyrinchium rosulatum (Photo: Trevor James)
the yellow-flowered form of annual blue-eyed grass, Sisyrinchium rosulatum (Photo: Sheldon Navie)
fruit of the yellow-flowered form of annual blue-eyed grass, Sisyrinchium rosulatum (Photo: Sheldon Navie)
Sisyrinchium iridifolium Kunth
Sisyrinchium bermudiana L. (misapplied)Sisyrinchium micranthum Cav. (misapplied)
blue eyed grass, blue pig-root, blue pigroot, blue-eyed grass, purple eyed grass, purple-eyed grass, spreading blue-eyed grass, striped rush leaf, striped rush-leaf
Native to South America.
Widely naturalised in southern and eastern Australia (i.e. in south-eastern Queensland, some parts of eastern New South Wales, Victoria, Tasmania, south-eastern South Australia and south-western Western Australia).
Also naturalised in New Zealand and south-eastern USA (i.e. Texas and Louisiana).
Blue pigroot (Sisyrinchium iridifolium) is regarded as an environmental weed in Victoria, South Australia 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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