Morning glory - purple (Ipomoea indica)
Purple morning glory is a vigorous perennial climber. It can form dense ground cover and climb high into the canopy smothering native vegetation.
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How does this weed affect you?
Purple morning glory, is a vigorous perennial climber that can form either a dense ground cover or climb high into the canopy smothering native vegetation.
Toxicity
Purple morning glory is toxic to humans, causing discomfort and irritation but is not life-threatening. The seeds are poisonous if ingested, causing visual distortion, restlessness and nausea.
What to do if poisoning occurs:
- If the patient is unconscious, unresponsive or having difficulty breathing dial 000 or get to the emergency section of a hospital immediately.
- If the patient is conscious and responsive call the Poisons Information Centre on 13 11 26 or your doctor.
- If going to a hospital take a piece of the plant for identification.
What does it look like?
Purple morning glory is a perennial vine with twining stems that are sometimes hairy.
The leaves are hairy, up to 17 cm long and 15 cm wide with a pointed tip and heart shaped base. They may be broadly oval shaped or with 3 deep lobes.
Flowers are funnel-shaped, violet-blue with paler lines on the petals and up to 8 cm in diameter.
Flowering is from spring to autumn.
Where is it found?
Purple morning glory grows in a wide variety of soils and situations. However, it prefers moist areas - particularly nutrient rich sites. It grows in urban areas, wasteland, along roadsides and on rainforest margins.
It was widely cultivated as a garden ornamental and has become naturalised in many coastal areas.
References
Richardson, F. J., Richardson, R. G., & Shepherd, R. C. H. (2011). Weeds of the south-east: an identification guide for Australia (No. Ed. 3). CSIRO.
http://www.environment.gov.au/cgi-bin/biodiversity/invasive/weeds/weeddetails.pl?taxon_id=13916
More information
Control
Herbicide options
WARNING - ALWAYS READ THE LABEL
Users of agricultural or veterinary chemical products must always read the label and any permit, before using the product, and strictly comply with the directions on the label and the conditions of any permit. Users are not absolved from compliance with the directions on the label or the conditions of the permit by reason of any statement made or not made in this information. To view permits or product labels go to the Australian Pesticides and Veterinary Medicines Authority website www.apvma.gov.au
Users of agricultural or veterinary chemical products must always read the label and any permit, before using the product, and strictly comply with the directions on the label and the conditions of any permit. Users are not absolved from compliance with the directions on the label or the conditions of the permit by reason of any statement made or not made in this information. To view permits or product labels go to the Australian Pesticides and Veterinary Medicines Authority website www.apvma.gov.au
See Using herbicides for more information.
PERMIT 9907 Expires 31/03/2025
Glyphosate 360 g/L
(Various products)
Rate: 200 mL per 10 L of water
Comments: Spot-spray for seedling control.
Withholding period: Nil.
Herbicide group: 9 (previously group M), Inhibition of 5-enolpyruvyl shikimate-3 phosphate synthase (EPSP inhibition)
Resistance risk: Moderate
PERMIT 9907 Expires 31/03/2025
Glyphosate 360 g/L
(Various products)
Rate: 1 part glyphosate per 1.5 parts water
Comments: Stem scraping application.
Withholding period: Nil.
Herbicide group: 9 (previously group M), Inhibition of 5-enolpyruvyl shikimate-3 phosphate synthase (EPSP inhibition)
Resistance risk: Moderate
PERMIT 9907 Expires 31/03/2025
Glyphosate 360 g/L
with Metsulfuron-methyl 600 g/kg (Various products)
Rate: 200 mL glyphosate plus 1.5g of metsulfuron-methyl in 10 L water
Comments: Spot spray application
Withholding period: Nil.
Herbicide group: 9 (previously group M), Inhibition of 5-enolpyruvyl shikimate-3 phosphate synthase (EPSP inhibition)
Resistance risk: Moderate
Dichlorprop 600 g/L
(Lantana 600®)
Rate: 1 L in 200 L of water
Comments: Completely wet all leaves and stem of target plants
Withholding period: Nil.
Herbicide group: 4 (previously group I), Disruptors of plant cell growth (Auxin mimics)
Resistance risk: Moderate
Picloram 44.7 g/L + Aminopyralid 4.47 g/L
(Vigilant II ®)
Rate: Undiluted
Comments: Cut stem application. Apply a 3–5 mm layer of gel for stems less than 20 mm. Apply 5 mm layer on stems above 20 mm .
Withholding period: Nil.
Herbicide group: 4 (previously group I), Disruptors of plant cell growth (Auxin mimics)
Resistance risk: Moderate
Biosecurity duty
The content provided here is for information purposes only and is taken from the Biosecurity Act 2015 and its subordinate legislation, and the Regional Strategic Weed Management Plans (published by each Local Land Services region in NSW). It describes the state and regional priorities for weeds in New South Wales, Australia.
| Area | Duty |
|---|---|
| All of NSW | General Biosecurity Duty All pest plants are regulated with a general biosecurity duty to prevent, eliminate or minimise any biosecurity risk they may pose. Any person who deals with any plant, who knows (or ought to know) of any biosecurity risk, has a duty to ensure the risk is prevented, eliminated or minimised, so far as is reasonably practicable. |
For technical advice and assistance with identification please contact your local council weeds officer.
Reviewed 2021
