Herbs. Stems sparsely glandular villous, spreading hispid. Petiole 2-4 cm; leaf blade ovate-cordate, 3.5-7 × 2.3-5.2 cm, adaxially appressed ciliate, abaxially spreading minutely hispid on veins, base cordate, margin mucronate crenate-serrate, apex short acuminate. Cymes dichotomous, axillary, (2-)5-11-flowered; peduncle 1-1.8 cm, glandular puberulent; floral leaves similar to stem leaves, densely hairy; bracts 4-5 mm. Calyx ca. 6.5 × 3.5 mm, glandular puberulent; teeth lanceolate, 2.8-3.2 mm. Corolla yellow, tinged red, ca. 1.7 cm, throat to 4.5 mm wide; upper lip ca. 1 cm, emarginate, base subtruncate; lower lip ca. 8 mm, lateral lobes semicircular; middle lobe ligulate, reflexed, ca. 2 × 1 mm. Nutlets black-brown, ca. 1.5 × 1.2 mm, adaxially obtusely ribbed, glabrous. Fl. Feb-Mar, fr. Apr-May.
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