Perennial herb with up to 50 stems, sericeous. Stems up to 80 (-100) cm, erect or ascending, usually simple, arising from the leaf axils of a basal rosette, with simple indumentum of long, patent setae. Leaves acute, with simple indumentum of more or less patent setae; those at the base up to 45 x 5 cm, narrowly elliptic, acute, gradually tapering into a short petiole, forming a well-marked rosette; caulinar leaves up to 11 x 2.5 cm, narrowly lanceolate, slightly auriculate or cuneate at the base. Inflorescence spiciform, rarely paniculate, lax, with numerous cymes; multi-flowered cymes, elongating up to 15 cm in the fruiting.[2] Bracts of 3.5-7 x 0.6-2 mm, generally shorter than the calyx, linear-lanceolate, slightly auriculate at the base. Shortly pedicellate flowers. Calyx with lobes 3-6 x 1-1'5 (-2) mm, linear-lanceolate or lanceolate, slightly acrescent and ovate-lanceolate or narrowly ovate in fruiting, subobtuse, with simple short setae indumentum and generally some bi- or tricellular glandular hairs. Corolla of 6'5-9 (-10) mm, infundibuliform, subactinomorphic, abruptly widened at the insertion point of the stamens, with tube of 2-3'5 mm, well marked and blade of (5'5-) 6'5-8'5 (-10) mm in diameter, blue with whitish tube with short sparse hairs on almost the entire outer surface of the blade, sometimes absent. Androceo with the 5 stamens long exserted, with glabrous, reddish filaments. Nucules of 2-2.5 x 1.2-1.8 mm, slightly tuberculate-rugose, grey. 2n= 16.[2]
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