Herbs perennial, glabrous, 45--75 cm tall. Stems erect, terete below, obtusely quadrangular above. Lower leaves opposite. Upper leaves alternate or subopposite, subsessile, lanceolate, 5--7(--11) X 0.8--1.2(--1.8) cm, abaxially glaucous, with or without few obscurely raised dots, adaxially dark green, tapering to both ends. Racemes terminal; bracts lanceolate. Pedicel 0.8--1.2 cm, slightly longer than bracts. Calyx lobes lanceolate, ca. 4.5 X 1.2 mm, abaxially brown glandular striate, hyaline margined. Corolla pink; tube ca. 2.5 mm; lobes broadly obovate to suborbicular, ca. 3.5 mm, epunctate, base clawed. Stamens exserted; filaments adnate to base of corolla lobes, free parts ca. 4 mm; anthers ovate, dorsifixed, ca. 0.8 mm. Ovary ovoid; style ca. 4.5 mm. Capsule unknown. Fl. Jul.
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