PLANT: Annual in AZ or biennial, 25-100 cm tall, simple to branched; stems glabrous to sparsely short pubescent. LEAVES: glabrous to sparsely short pilose, deeply lobed. INFLORESCENCE: diffuse, with 1-3, subsessile to long pedicelled flowers at tips of branches. FLOWER: calyx 5-11 mm long, short glandular pubescent, the lobes lanceolate to ovate, acuminate; corolla white to bluish, tube 30-50 mm long, the throat 2-3 mm wide, the lobes ovate, rounded to acuminate; stamens inserted on the tube; filaments unequal; anthers included to exserted; stigma slightly exceeding the anthers. CAPSULE: 7-15 mm long; seeds 8-15 per locule. 2n=14. NOTES: 3 subspp.; UT to SD, s to TX and n Mex. REFERENCES: Dieter H. Wilken and J. Mark Porter, 2005, Vascular Plants of Arizona: Polemoniaceae. CANOTIA 1: 1-37.