Perennials 10-15 cm tall. Rhizomes short. Stems 1-3, erect, simple, subglabrous. Basal leaves in 1-4 erect rosettes; petiole 2.5-4 cm, membranous; leaf blade linear-elliptic to narrowly oblong, 2.5-8 cm × 3-6 mm, base narrowed, apex acuminate to obtuse, vein 1. Stem leaves 2 or 3 pairs; petiole 0.5-1.5 cm, shorter toward apex; leaf blade linear to narrowly oblong, 2-3.5 cm × 2-4 mm, base narrowed, apex obtuse, vein 1. Cymes axillary or terminal, subapical axillary cymes sometimes on pedunclelike branches. Pedicel 0.5-2.1 cm, slender. Calyx narrowly obconic, 1-1.2 cm, tube entire; lobes erect to rarely slightly spreading, linear to triangular, 3-6 mm, apex acuminate. Corolla dark blue, with pale yellow-white base and blue streaks in tube, tubular to tubular-funnelform, 2.2-3(-3.5) cm; lobes ovate, 1.5-3 mm, margin entire, apex acute; plicae triangular to truncate, 1-1.5 mm, margin almost entire. Stamens inserted at basal part of corolla tube; filaments 8-10 mm; anthers ellipsoid, ca. 2 mm. Style 2-3 mm; stigma lobes oblong. Capsules ellipsoid, 1.5-2 cm; gynophore 2.1-2.7 cm. Seeds light brown, ellipsoid to subglobose, 2-2.5 mm. Fl. and fr. Jul-Aug.
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