Herbs to 50 cm tall, perennial, isophyllous. Stems sometimes rosette-forming but usually prostrate and rooting at nodes, sparsely to densely covered with multicellular trichomes. Petiole 0.5-8 cm, pubescent, glabrescent; leaf blade oblong, elliptic, oblong-ovate, or suborbicular, 1.5-8 × 1-4 cm, both surfaces pubescent with multicellular trichomes, secondary veins 4 or 5 on each side of midvein, base abruptly truncate to slightly cordate, margin crenate to subentire, apex acute to obtuse. Inflorescences terminal, spikes, elongating to 6-8 cm at maturity; bracts oblanceolate to elliptic, 8-12 × 2-5 mm, persistent, pubescent on veins, margin entire and ciliate; bracteoles absent. Calyx 6.5-10 mm, 5-lobed to base; lobes linear-lanceolate, ciliate and pubescent along veins, apex finely attenuate. Corolla white or pale violet with darker veins, 1.3-1.5 cm, glabrous; tube basally cylindric for 4-6 mm; lobes orbicular, 2-5 mm, glabrous. Stamens 4, included; shorter filament pair ca. 1 mm, glabrous; longer filament pair ca. 2 mm, base slightly villous; anther thecae ca. 1 mm; pollen type 7. Ovary apex pubescent; style sparsely villous. Capsule 7-9 mm, apically pubescent, 8-16-seeded. Seeds orbicular in outline, ca. 1 mm in diam., pubescent. Fl. Apr-Sep, Dec.
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