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habit (Photo: Land Protection, QDNRW)
habit (Photo: Sheldon Navie)
arrow-head shaped bluish-green leaves (Photo: Sheldon Navie)
dark purplish coloured leaf stalks (Photo: Sheldon Navie)
close-up of leaf underside showing leaf stalk joined to the base of the leaf (Photo: Sheldon Navie)
leaf sheaths at the base of the plant (Photo: Sheldon Navie)
close-up of young leaf emerging from purplish-coloured leaf sheath (Photo: Sheldon Navie)
young plant growing from tuberous creeping stems (Photo: Sheldon Navie)
Xanthosoma violaceum Schott
black malanga, blue ape, blue tannia, blue taro, Chinese taro, coco yam, cocoyam, edible arrow leaf, elephant ear, primrose malanga, purple stem elephant ear, purple stem taro, purple taro, purplestem taro, Singapore taro, tannia, yautia
Native to tropical America, but its exact native range is obscure. It is thought to be native to southern Mexico, Central America (i.e. Belize, Costa Rica, Guatemala, Honduras, Nicaragua and Panama), the Caribbean (i.e. Guadeloupe and St. Lucia) and tropical South America (i.e. French Guiana).
Locally naturalised in south-eastern Queensland. Also naturalised on Norfolk Island and Christmas Island.
Also widely naturalised in other tropical regions of the world (i.e. in the neotropics).
Blue taro (Xanthosoma violaceum) is regarded as a minor environmental weed or "sleeper weed" in Queensland.
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.
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