Herbs perennial, 30-40 cm tall. Stems erect, much branched, spreading hispid, short strigose. Leaf blade oblong, 2-3 cm × 5-10 mm, strigose and hispid, abaxially light green, pubescent along veins, adaxially green, base cuneate or rounded, apex obtuse. Inflorescences terminal and axillary, widely spaced, spreading panicles; bracts lanceolate, 4-5 mm. Pedicel 6-12 mm. Calyx 6-7 mm; lobes lanceolate, ca. 1 mm wide. Corolla blue-purple or purple, 1-1.2 cm, base 1.5-2 mm wide; throat 6-7 mm wide, densely strigose outside; nectary ca. 0.5 mm, pubescent; lobes triangular, ca. 2 × 3 mm, margin revolute. Filaments subulate, 3-4 mm, not decurrent, base expanded, triangular, inserted 2-2.5 mm above base in corolla tube; anthers laterally united, 7.5-8 mm, included or apex slightly exserted, apex sterile, 1-1.5 mm. Style ca. 1.2 cm, glabrous. Nutlets brown, ca. 2.5 mm, densely papillate, sparsely tuberculate. Fl. and fr. Jun-Aug.
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