Shrubs, 0.1–0.6 m, matlike to moundlike. Stems prostrate, spreading, or weakly ascending, often rooting at proximal nodes; branchlets brown to reddish brown, ± rigid, glabrous or sparsely puberulent. Leaves not fascicled, not crowded, shorter than internodes; petiole 0–2 mm; blade flat to ± cupped, elliptic to ± oblong or obovate, 10–20 × 5–14 mm, base obtuse to cuneate, margins thick or slightly revolute, slightly wavy, sharply dentate to spinose-dentate, teeth 3–9, apex acute or retuse, with an apical tooth, abaxial surface grayish green, strigillose on veins, adaxial surface green, dull, glabrous. Inflorescences axillary, 1.5–3 cm. Flowers: sepals, petals, and nectary blue, lavender, or purple. Capsules 4–6 mm wide, lobed; valves smooth, crested, horns subapical, prominent, erect, intermediate ridges weakly developed. 2n = 24.
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