Synonyms: Argemone leiocarpa, Other names: Mexican Prickly Poppy, Mexican Prickly-poppy, Mexican Pricklypoppy Family: Papaveraceae Argemone mexicana (Mexican poppy, Mexican prickly poppy, flowering thistle, cardo or cardosanto) is a species of poppy found in Mexico and now widely naturalized in many parts of the world. An extremely hardy pioneer plant,…