Argemone ochroleuca Sweet subsp. ochroleuca (Mexican poppy) is widespread throughout NSW, it has cream to pale yellow petals; seeds approximately. Argemone mexicana subsp. ochroleuca (Sweet) Schwarzb., Pl. Syst. Evol. (3- 4): , comb. inval. Argemone mexicana var. Abstract. The effects of 2 concentrations (15 and 30%) of ethanolic Argemone ochroleuca Sweet (Papaveraceae) extracts were determined on the feeding.

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These features distinguish it from the similar Argemone subfusiformis Ownbey subsp. There are 6 delicate deciduous petals that are 2. A geographical atlas of world weeds.

This species reproduces via large numbers of seed. Capsule oblong, cm long, 1.

Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

Gareth Bain – photo in public domain. A reference guide to environmental weeds. A reference guide to environmental weeds.

Argemone ochroleuca Sweet Argemone subfusiformis Ownbey subsp. Risk of Introduction Top of page A. Hormone herbicides provide good control of young plants, such as 2,4-D amide and 2,4-D ester. Argemone ochroleuca Sweet subsp.

Argemone ochroleuca subsp. ochroleuca

Datasheet Argemone ochroleuca pale Mexican pricklypoppy. Ocyroleuca is most comm These seeds may be spread by water, in mud or in contaminated agricultural produce e. Physiology and Phenology A. Spraying with a suitable herbicide can control A.

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There are numerous stamens. Flora of North America Editorial Committee, The formation of dense stands, as seeds fall locally, also affects wildlife and decreases biodiversity HEAR, Click on images to enlarge infestation in a dry creek-bed Photo: A complete guide to declared weeds and invaders in South Africa.

Factsheet – Argemone ochroleuca (Mexican Poppy)

Siwakoti and Varma, This species is very similar to Argemone mexicanawhich is also known as Mexican poppy, and hence distribution information for these species has often been in error or combined. As Argemone ochroleuca is so widespread this is unlikely to be possible in many instances. Mexican poppy, prickly poppy, devil’s fig, golden thistle of Peru, biniguy thistle, white thistle, yellow poppy, Mexican thistle, Mexican prickle poppy.

This plant is found on the north coast and northern and central slopes of NSW. Additional Info Where does this species come from? It is very prickly nature also means it can cause injury to humans and livestock. Alien weeds and invasive plants.

One or more of the features that are needed to show you the maps functionality are not available in the web browser that you are using. Exotic plant species invade hot spots of native plant diversity. Weber E Invasive plant species of the world: Stamens mm long; anthers oblong, recurved. Consistent follow-up work is required for sustainable management. The seeds ochrolruca numerous dark brown or ochrolfuca and globular and are about 1. Boulos and El-Hadidi, University Press of Hawaii. Northern Territory Government, Collingwood, Victoria Weber E ‘Invasive plant species of the world: Science College, Gujarat, India.


Parsons and Cuthbertson, Pale yellow or creamy white flowers from September to January. The margin edge of the leaf has wavy prickles at the tips of the lobes as well as scattered on the underside of the leaf.

Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report. More information about modern web browsers can be found at http: The stems grow 30 to cm high, with scattered stiff yellow prickles. John Wiley and Sons, pp.

There are 6 delicate deciduous petals that are 2. Its very prickly nature also means it can cause injury to humans and livestock.