Subshrubs. Stems semiterete, ca. 2 mm in diam., glabrous. Petiole 3-10 mm; leaf blade oblong, 6.5-18 × 2.6-8.2 cm, glabrous, minor veins conspicuously netted, base cuneate, margin entire to 1-or 2-undulate-denticulate above middle, apex acuminate to subcaudate-acuminate. Racemes ca. 16 cm; peduncle ca. 1.5 cm; bracts sessile, elliptic, ca. 2 mm, ciliate, apically acuminate, deciduous. Pedicel 1-1.5 mm, spreading glandular puberulent. Calyx ca. 2 mm, sparsely glandular puberulent, ciliate; scutellum spreading, ca. 2 mm. Corolla purple, ca. 1.5 cm, sparsely puberulent outside, base bent, throat to 5 mm wide, glabrous inside; middle lobe of lower lip triangular-ovate, base ca. 2.5 mm wide, apex emarginate; lateral lobes ovate, ca. 1.5 mm wide. Nutlets unknown. Fl. May.
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