Plants of South Eastern New South Wales
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Argemone ochroleuca subsp. ochroleuca
Mexican poppy
Papaveraceae
Roadsides, disturbed sites, and along streams. ACT and the Sydney area. Sporadic elsewhere.
Introduced annual (possibly perennial) herb or shrub to 1.5 m tall. Leaf tips, sepals, and seed cases spiny. Stems glaucous, hairless. Basal leaves soon withering. Stem leaves alternating up the stems, 7-20 cm long, 20-100 mm wide, hairless, often glaucous, margins lobed and toothed, with spines at the ends of the lobes and teeth, bases stem clasping. Flowers 30-70 mm in diameter, cream to pale yellow, with 4-6 petals, easily shed. Flowers mostly Spring and Summer.
General Biosecurity Duty in all NSW.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=in&name=Argemone~ochroleuca~subsp.+ochroleuca (accessed 28 May 2021)
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