Penstemon neomexicanus (New Mexico Beardtongue)
Plants perennial, glabrous; stems stout, 3-6 dm tall; leaves opposite, basal usually withered at flowering time, stem leaves narrowly lanceolate; inflorescence one-sided, narrow, not glandular; calyx lobes lanceolate, 4-8 mm long; corolla blue, purpl...