Photo: Argemone ochroleuca.

Yellow-flowered prickly poppy, flowering plant. Chelsea Physic Garden, London, UK. Planted. 1997-07-01.
Argemone ochroleuca Sweet Engl.: pale Mexican poppy. Deu.: Bleicher Stachelmohn. Bot. syn.: Argemone barclayana Penny ex Loudon, Argemone mexicana L. var. ochroleuca (Sweet) Lindl., Argemone sulphurea Sweet ex Loudon
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Photo: Argemone ochroleuca.