Herbs perennial. Stems erect, ca. 50 cm tall, much branched, puberulent. Leaves sessile; upper stem leaves oblong-ovate, 3.5-5 × 1.5 cm, gray puberulent, base broadly cuneate to subrounded, margin serrate near base or middle, apex acuminate; lateral veins 3 or 4 pairs. Verticillasters globose, 2-2.5 cm in diam. in flower, in widely spaced spikes; floral leaves lanceolate, 3-3.5 cm; bracteoles rigid, erect, linear to spiny, ca. 10 × 1 mm, densely villous. Calyx obconical, ca. 9 mm, silky-villous outside, accessory veins 4; teeth triangular, ca. 4 mm, apex spinescent-acuminate, puberulent inside. Corolla ca. 1.7 cm, sparsely white villous on upper lip outside; tube ca. 8 mm; upper lip ovate, concave, ca. 8 × 6 mm, base constricted, apex emarginate; lateral lobes broadly ovate, less than 1/3 as long as middle lobe. Ovary brown, glabrous. Fl. Aug.
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