Plants perennial, robust; stems, 2-6 dm tall, pubescent; inflorescence puberulent, not glandular, narrow; corolla varying from blue-purple to violet-purple or lavender, 16-25 mm long, widely inflated, base of lower lobes (sparsely to) moderately white-bearded; stamens completely dehiscent to more-or-less explanate, glabrous; staminode tip sparsely (to densely) bearded with yellow hairs. Flowers July through September.