Click on images to enlarge
infestation (Photo: Sheldon Navie)
habit (Photo: Sheldon Navie)
habit (Photo: Sheldon Navie)
close-up of stems and hairy sheath-like leaf bases (Photo: Sheldon Navie)
leaves (Photo: Sheldon Navie)
close-up of flower with hairy floral bracts (Photo: Sheldon Navie)
hairy floral bracts containing immature fruit (Photo: Sheldon Navie)
mature fruit with seeds (Photo: Sheldon Navie)
seedling (Photo: Sheldon Navie)
young plant (Photo: Sheldon Navie)
habit of the very similar native commelina, Commelina diffusa (Photos: Sheldon Navie)
close-up of the flowers and hairless floral bracts of the native commelina, Commelina diffusa (Photos: Sheldon Navie)
Commelina benghalensis L.
Benghal dayflower, commelina, day flower, dayflower, dew flower, hairy commelina, hairy wandering Jew, Indian dayflower, jio, tropical spiderwort, wandering Jew
Native to Africa (i.e. Djibouti, Ethiopia, Somalia, Kenya, Tanzania, Uganda, Cameroon, Congo, Rwanda, Benin, Ivory Coast, Gambia, Ghana, Guinea, Nigeria, Sierra Leone, Togo, Malawi, Zambia, Botswana, Lesotho, Namibia, South Africa and Swaziland), the Arabian Peninsula (i.e. Saudi Arabia), the Indian Sub-continent (i.e. Bhutan, India, Nepal, Pakistan and Sri Lanka), southern China, Japan and south-eastern Asia (i.e. Indo-china, Indonesia and the Philippines).
Widely naturalised in Australia, but primarily found in the northern and eastern parts of the country. It is widespread in Queensland and naturalised in northern New South Wales (i.e. north from the Comboyne area) and the northern parts of the Northern Territory.
Also naturalised on Christmas Island and in many other parts of the world.
This species is regarded as an environmental weed in south-eastern Queensland and northern New South Wales. Hairy commelina (Commelina benghalensis) is listed among the top 200 invasive plants in south-eastern Queensland and is a common weed of waterways and riparian areas in this region.
It has also invaded conservation areas in northern New South Wales (e.g. the Ballina Nature Reserve) and is an important weed of crops in eastern 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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