Herbs perennial. Stems erect, sparsely retrorse white pilose along angles, glabrescent at apex, unbranched or branched. Petiole 0.5-3 cm, sparsely white pilose; leaf blade broadly ovate, 3-6 × 1.5-3.5 cm, adaxially sparsely pilose along veins, otherwise subglabrous, abaxially pilose along midvein otherwise glabrous, sparsely yellowish glandular, base broadly cuneate, margin crenate-serrate, apex acute to subacuminate, lateral veins 4-9-paired. Panicles terminal, few flowered, ca. 2 cm; cymes 3-flowered; floral leaves ovate-lanceolate, shorter than cymes, except lowermost 1 or 2; bracts and bracteoles minute, linear, 1-1.5 mm. Calyx campanulate, ca. 1.5 mm, pubescent outside; teeth triangular, apex acute, ca. 0.5 mm; fruiting calyx dilated, to 5.5 mm, glabrescent, rigid, bluish. Corolla blue, 4-6 mm, pilose outside. Stamens exserted. Style exserted. Nutlets brown, oblate, glabrous. Fl. Sep, fr. Oct.
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