genus Argemone - prickly poppies

Argemone mexicana, Mexican poppy - annual herb with prickly stems and large yellow flowers; southern United States to West Indies and Mexico

herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

poppy - annual or biennial or perennial herbs having showy flowers

genus Papaver, Papaver - type genus of the Papaveraceae; chiefly bristly hairy herbs with usually showy flowers