Asystasia gangetica subsp. micrantha (Nees) Ensermu

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An herbaceous weed of the acanthus family, 'Asystasia gangetica' subspecies 'micrantha', sometimes known as Chinese Violet, was found naturalised in Darwin in April 2015 and was immediately eradicated. Although cultivated as an ornamental, this plant is regarded as an invasive weed in eastern Australia where it has been established for 15 years, and is a recognised problem weed in neighbouring tropical countries. Identification and taxonomic aspects of this species are briefly discussed, as is its distribution in Australia and overseas, and its possible means of arrival in Darwin.

'Asystasia gangetica' subsp. 'micrantha', a new record of an exotic plant in the Northern Territory | Northern Territory Naturalist (informit.org)

NParks | Asystasia gangetica subsp micrantha

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