Argemone ochroleuca subsp. ochroleuca

Mexican Poppy

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Stout-taprooted annual (or ?biennial) herb or shrub to c. 1 m high. Leaves pinnatifid, ± rosetted and petiolate at base of plant, alternate and sessile above; lamina to c. 20 cm long, 5 cm wide, glaucous, often whitish along main veins, deeply divided into several broadly toothed lobes, the teeth terminated by yellowish spines to c. 5 mm long. Sepals 3, overlapping, ovate, 15–20 mm long (including terminal spine to c. 8 mm long) with c. 8 spines on back; petals 6, obovate or cuneate, 25–35 cm long, pale yellow, soon deciduous; stamens c. 30–50; stigmas 4–6, 2–3 mm long, purple. Capsule ellipsoid or ovoid, 3–5 cm long, each valve with c. 20 spines; seeds numerous, globoid, c. 2 mm diam., reticulate-pitted.  Flowers Sep.–Jan.

*EGU, *GipP, *VRiv. Native to Mexico. In Victoria known with certainty only from the vicinity of the Snowy River near Orbost and the boarder with New South Wales, where an occasional weed of the sandy riparian zone, and a 1982 collection from suburban Surrey Hills (where doubtfully naturalised).

Early scattered records attributed to A. mexicana (e.g. Beaufort, Sunbury, Albury districts) are not represented by specimens at MEL. 

Source: Walsh, N.G. (1996). Argemone. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Daniel Ohlsen, 2017-06-29
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Ranunculanae
order Ranunculales
family Papaveraceae
genus Argemone
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Argemone ochroleuca subsp. ochroleuca in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Argemone ochroleuca subsp. ochroleuca in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Riverina present introduced
Gippsland Plain present introduced
East Gippsland Uplands present naturalised

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales
Australian Capital Territory