Stems 11-13 cm, densely retrorse pubescent. Leaves opposite; petiole 0.2-1.8 cm; leaf blade slightly oblique, ovate to elliptic-ovate, 2.5-4.8 X 1.5-2.2 cm, papery, adaxially densely appressed puberulent, eglandular, abaxially puberulent along veins, eglandular, base rounded to cuneate, margin denticulate, apex acute; lateral veins 6 or 7 on each side of midrib. Cymes 1-8-flowered; peduncle 4.5-7 cm, glabrous; bracts free, orbicular-ovate, ca. 2.5 mm, glabrous, margin entire. Pedicel 0.9-2 cm. Calyx actinomorphic, 5-sect from base; segments equal, narrowly lanceolate to linear, ca. 3 X 1-1.2 mm, glabrous, margin entire. Corolla purple, 2.5-3 cm, glabrous; tube narrowly funnelform, 1.7-2 cm X 4-5 mm; adaxial lip ca. 4 mm; abaxial lip ca. 1 cm. Stamens glabrous; filaments ca. 7 mm; anthers ca. 2.5 mm; staminodes 2, ca. 3.2 mm. Pistil ca. 2 cm, glabrous; ovary ca. 1.8 cm. Fruit unknown. Fl. Jun.