Stems with several long branches from base, ca. 24 cm tall, densely gray hispid, mixed hispid and hirsute above. Basal and lower stem leaves long petiolate; upper stem leaves short petiolate, spatulate to narrowly oblanceolate or narrowly oblong, 1.8-11 × 0.3-1.6 cm, adaxially sparsely strigose and sparsely hirsute, hairs discoid at base, base attenuate, apex rounded to subobtuse. Inflorescences terminal or axillary, 5-8 mm wide; bracts 1-2 mm. Pedicel ca. 1 mm. Flowers crowded. Calyx ca. 2 mm, parted to base; lobes lanceolate-linear, hirsute outside. Corolla dark blue, glabrous; tube 3.5-4 mm; appendages low trapeziform, 0.3-0.4 mm; limb 5-7 mm wide; lobes suborbicular, sometimes apex obtusely fine dentate. Nutlets gray-white, rhombic-ovoid, ca. 2 × 1.2 mm, glabrous, finely tuberculate; aperture above middle, deltate, ca. 0.7 mm, inside margin with membranous emergence, surfaces obscurely longitudinally 1-ribbed; attachment scar near base. Fl. Jun-Jul.
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