Perennials 25-60 cm tall. Roots with a taproot. Stems several, erect, base woody, branched apically from middle, with long nonflowering shoots. Leaves alternate, linear to linear-lanceolate, 1.5-2 cm × ca. 2 mm, 1-veined from base, margin plane, apex acute. Flowers in sparse cymes, numerous. Pedicel slender, excurved in fruit. Sepals ovate to elliptic, 4-5 mm, base 5-veined, apex with a mucro. Petals bluish purple, obovate, 1.2-1.5 × 0.4-0.5 cm, base cuneate, apex rounded. Filaments auriculate at base. Styles connate at base. Capsule subglobose, ca. 7 mm in diam., septicidal. Seeds brown, ellipsoid, flattened. Fl. Jun-Jul, fr. Aug.
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