D
Dropped
Penstemon breviculus (Narrow-Mouth Penstemon)
Perennial; stems 0.8-2.0 dm tall, erect, or slightly upward-curving, retrorsely puberulent; leaves mostly basal, opposite, entire or rarely few toothed, lanceolate, elliptic, or spatulate, basal leaves somewhat petiolate, stem leaves sessile; inflore...
Penstemon deaveri (Mt. Graham Beardtongue)
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 whit...