Plants perennial. Rhizomes with scalelike leaves, dark brown. Stems 10-30 cm, decumbent or subprostrate, ± densely pubescent, white glandular. Petiole 0-3 mm; leaf blade ovate, 1-2(-2.5) × 0.7-1.8(-2) cm, smaller on branches, adaxially with dense, simple, small, papillate glandular hairs when young, abaxially glandular dotted and subglabrous except on veins, base truncate to rounded, sometimes cuneate to shallowly cordate, margin dentate to subcrenate, apex acute to obtuse. Verticillasters in very compact, globose-ovoid capitula, sometimes remote basally; bracts slightly shorter than calyx, lanceolate-linear to linear, with dense, minute, and glandular hairs, margin ciliate. Calyx blue apically or rarely throughout, 7-8.5 mm, slightly curved, 2-lipped or nearly so; posterior teeth triangular, apex acute, (1/6-)1/4-1/3 as long as tube; anterior teeth narrowly lanceolate, apex acuminate to sometimes subulate, 1.5-2 × as long as posterior teeth. Corolla blue, 1.4-2 cm, tube dilated to 4.5-5.5 × 5-6 mm. Anterior stamens con-spicuously shorter than posterior 2. Nutlets dark brown, ellipsoid, ca. 2 × 0.75-1 mm. Fl. Jul-Sep, fr. Aug-Oct (specimens not seen).
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