Papaver aculeatum

Plants annual, caulescent, to 1 m high, patent-setose throughout and also patent-spinose on axes and leaf veins, lobes and tips, spines to 6 mm long; stems simple or usually branched. Leaves to 30 cm long, the lower indistinctly petiolate or sessile, the upper sessile; blades ovate to obovate, 1–2-pinnately lobed, the upper sometimes with somewhat stem-clasping bases. Petals to 25 mm long, orange-red or -pink, without basal spot; filaments yellow, filiform, anthers yellow; stigmas 5–11, disc ± flat. Capsules sessile, clavate to obovoid, to 25 mm long, ribbed, glabrous or sparsely setose near apex, tuberculate along ribs. Flowers Sep.–Jan.