Shrubs tufted, much branched, 30-50 cm. Branchlets brownish gray, appressed puberulent. Leaves opposite; petiole 1-4 mm; leaf blade oblong-lanceolate, ovate, to broadly ovate, 0.7-2.5 × 0.6-2.2 cm, papery, densely appressed puberulent, glandular, base cuneate-attenuate, margin 4-6-toothed, apex obtuse, lateral veins 3-or 4-paired. Racemes poorly defined; cymes 3-7-flowered, appressed puberulent; peduncle 3-15 mm; upper floral leaves gradually reduced. Pedicel 2-3 mm. Calyx campanulate, ca. 3 × 3.2 mm, puberulent, glandular, limb slightly shorter than calyx tube, slightly 2-lipped; teeth ovate, lower 2 slightly longer, apex mucronate. Corolla purplish, ca. 9 mm, puberulent outside, middle pubescent inside, tube ca. 4 mm, upper lip ca. 3 mm, lower lip to 5 mm. Stamens included. Style included or slightly exserted. Nutlets gray, ovoid-oblong, ca. 1.6 × 1.1 mm. Fl. and fr. Jul-Sep.
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