Plants of South Eastern New South Wales
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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