Stems erect, 35-50 cm, basal half leafless, puberulent or subglabrous. Petiole 0.5-2 cm, puberulent; leaf blade lanceolate, 6-15 × 3-7 cm, puberulent on veins, adaxially sparsely fine bristly, abaxially glabrous, yellow glandular, base cuneate-decurrent, margin serrulate, apex acute to long acuminate. Racemes 6-25 cm, elongated, sometimes with an axillary raceme just below terminal one(s), lax, sparsely puberulent or subglabrous; bracts lanceolate to subulate. Pedicel ca. 3 mm, glandular puberulent. Calyx 3-4 mm, glandular puberulent; teeth triangular, subequal, subulate; fruiting calyx dilated to ca. 8 mm, many veined, declinate, tube ca. 3 mm; upper lip ca. 3 mm, teeth triangular, apex acuminate; lower lip ca. 5 mm, teeth lanceolate, apex acuminate. Corolla white and purple-red, tubular, straight or slightly incurved, 1.2-1.5 cm, slightly constricted at middle, puberulent; upper lip ca. 5 mm, lobes circular, subequal or middle 2 smaller; lower lip larger, concave, margin entire. Anterior stamens inserted slightly above middle of tube. Nutlets oblong, ca. 1.5 mm, brown. Fl. Jul-Sep, fr. Oct-Nov.
Home