Argemone corymbosa subsp. arenicola

Leaf blades lobed 1/2-3/4 distance to midrib. 2 n = 56.

Flowering spring; fruiting spring-summer. Dry valleys and plains, especially around sand dune areas; 900-1560 m; Ariz., Utah.

STEMS: with 0-12 prickles per square cm of surface, the largest 2-5 mm long. LEAVES: with 0-4 prickles per square cm of surface beneath, smooth above; basal and lower cauline leaves lobed one-half to three-fourths to the midrib, the lobes and sinuses subequal in width; uppermost leaves more shallowly lobed. FLOWERS: with 8-15 prickles per sepal, the sepal horn 4-6 mm long. 2n = 56. NOTES: See also the parent taxon for further description. Dry desert valleys, sandy or granitic soils and dunes ofn AZ: Coconino Co.; 900-1500 m (3000-5000 ft); May; se UT. REFERENCES: Ownbey, Gerald B., Jeffrey W. Brasher, and Curtis Clark. 1998 Papaveraceae. J. Ariz. - Nev. Acad. Sci. 30(2): 120.