Plants perennial. Stems 6-40 cm, densely yellow-brown villous. Leaves mostly basal; petiole 2-4 cm, shorter or absent in stem leaves; leaf blades elliptic to elliptic-lanceolate, rarely obovate or circular, 2.5-8.5(-20) × 2.5-4.5(-8) cm, adaxially densely brown villous, abaxially villous, sparsely purple-brown glandular, base attenuate to shallowly cordate, margin irregularly crenate, apex obtuse; stem leaf blades elliptic, oblong to ovate or obovate, 1-5.8 (-8) × 1-4.5(-5) cm, margin crenate. Verticillasters 2-6-flowered, lower widely spaced, in racemes to 15 cm; rachis densely brown villous; bracts elliptic to obovate, upper 5-14 × 3-8 mm, margin densely villous-ciliate. Pedicel 2-4 mm, densely brown villous. Calyx campanulate, 9-10 mm, brown villous, margin villous; upper lip semicircular, ca. 5 × 8 mm, apex 3-mucronate; lower lip ca. 5 × 7 mm, teeth triangular, acute; fruiting calyx dilated, broad campanulate, conspicuously veined, densely villous on veins and margin. Corolla orange, white, dark blue, and purple, 2.6-3.5 cm, finely pilose; tube obliquely pilose annulate inside, gradually dilated to ca. 8 mm wide at throat; upper lip narrowly ovate, ca. 7 × 6 mm; lower lip ca. 1.2 × 1.7 cm, middle lobe obcordate, ca. 4 × 5 mm; lateral lobes semicircular, to 4 mm wide. Filaments complanate, ca. 9 mm. Nutlets brown, obovoid, adaxially ribbed, ca. 3 × 2 mm, slightly netted, apex glandular.
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