Herbs perennial, glabrous, 25--50 cm tall. Stems erect, quadrangular, simple or branched. Leaves alternate, rarely subopposite or verticillate, sessile, narrowly lanceolate to linear, 60--80 X 4--10 mm, tapering to slightly dilated base, abaxially glaucous, with many scattered dark purple glandular dots and stripes, sometimes obscure and slightly raised, apex acute. Racemes terminal, initially coniform, to 13 cm in fruit; bracts subulate. Pedicel ca. 5 mm, elongating to 1 cm in fruit, ca. as long as to slightly shorter than bracts. Calyx lobes narrowly lanceolate, ca. 4 mm, ciliate, with 4 vertical glandular stripes outside, margin membranous, apex acuminate. Corolla pink; tube ca. 2 mm; lobes spatulate-oblong, 4--6 X 1.5--2 mm, epunctate, apex rounded; sinus between lobes acute. Stamens exserted; filaments adnate to lower part of corolla lobes, free parts 4--5 mm; anthers oblong, dorsifixed, ca. 1 mm. Ovary ovoid; style filiform, to 6.5 mm. Capsule subglobose, 4--5 mm in diam.
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