Herbs 10-30 cm tall. Stems purplish black, terete, sulcate, pubescent. Petiole purple, 1-2 cm, puberulent; leaf blade ovate-lanceolate to elliptic-lanceolate, 4-9 × 1.3-3 mm, both surfaces sparsely strigillose, secondary veins 6-11 on each side of midvein and abaxially inconspicuous, base cuneate to broadly cuneate and sometimes oblique, margin entire, apex acuminate. Racemes terminal or axillary, 3.5-6 cm, 2-5-flowered; peduncle and rachis slightly puberulent; bracts linear, ca. 5.5 × 0.5 mm, subglabrous, 1-veined, margin ciliate; bracteoles similar to bracts. Pedicel 4-7 mm. Calyx ca. 1.1 cm, subglabrous; lobes linear, 9-11 × 0.6-1.2 mm, subequal, 3-veined, margin ciliate. Corolla purplish blue in bud. Staminal filaments glabrous. Ovary glabrous. Capsule ca. 5 mm. Fl. Feb, fr. Jun-Jul.
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