ASYSTASIA GANGETICA PDF

Click on images to enlarge. Asystasia coromandeliana var. This sub-species is native to sub-Saharan Africa i. It may also be present amongst populations of Asystasia gangetica in northern Australia, as not all states recognise subspecies of this species. Also naturalised overseas in south-eastern Asia i.

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Click on images to enlarge. Asystasia coromandeliana var. This sub-species is native to sub-Saharan Africa i. It may also be present amongst populations of Asystasia gangetica in northern Australia, as not all states recognise subspecies of this species. Also naturalised overseas in south-eastern Asia i.

A potential weed of distrubed sites, waste areas, roadsides, crops, plantations, open woodlands, forest margins and coastal habitats in the warmer temperate, sub-tropical and tropical regions of Australia. It is currently found mainly on coastal sandy soils in the warmer temperate regions of New South Wales.

A long-lived i. The stems are lightly hairy i. The bright green leaves are arranged in opposite pairs along the stems and are also sparsely hairy i.

These leaves 2. They are borne on stalks i. The tubular flowers 1. The flowers are borne on short stalks i. These capsules mm long have two compartments i. The flattened seeds about 5 mm long and 1 mm wide are bone-coloured to brownish-black. The main method of dispersal over long distances is by human activities e. Chinese violet Asystasia gangetica subsp.

It is regarded as an important emerging environmental weed in New South Wales. If it became widely established it could potentially affect summer crops and plantation crops in northern Australia. Asystasia gangetica subsp. A native species i. Note: The entirely white-flowered form of Chinese violet Asystasia gangetica subsp.

Check our website at www. 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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Asystasia gangetica

Origin: India and Africa 1 Introduction to Florida: circa ornamental 2. Online image request form. This species appears on the following legally prohibited plant lists. Excerpts from Langeland et al 1 This plant forms weedy thickets along roadsides and is found in disturbed upland habitats in at least 11 conservation areas from south Florida Gann et al. It can be very invasive in developed or natural landscapes Rauch It is a successful colonizer that has invaded across a wide geographical range due to its fast establishment, rapid growth rate, and early flowering Thye

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Center for Aquatic and Invasive Plants

In Australia, A. The ability of A. Additionally, this species can form a dense ground cover, presumably competing with native species Varnham, This family includes a range of morphological diversity, habitats, and biogeographic patterns. For A. The original range of the subspecies is unclear, but it is likely that A. Perennial herbs, erect, decumbent, or clambering; m in length.

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