Stems 2-7 cm, puberulent. Basal stem leaves 1; petiole 0.3-2.5 cm; leaf blade ovate to broadly ovate, 2-5 X 1.2-4 cm, puberulent, base sometimes slightly oblique, cordate, margin obscurely crenulate to serrulate or denticulate, apex obtuse; apical stem leaves 2, opposite, subsessile, leaf blade broadly ovate, 0.4-3 X 0.3-2.5 cm, base subcordate. Peduncle 1-4 cm; bract ovate, 4-6 mm. Pedicel ca. 0.1 mm. Calyx ca. 3 mm; lobes triangular. Corolla pinkish white, ca. 4 mm, inside with a ring of hairs; tube ca. 2.5 mm; lips ca. 1.5 mm. Stamens ca. 1.5 mm; staminodes ca. 0.5 mm. Pistil 1.5-3 mm; ovary with straight hairs toward style. Capsule 2-3 mm in diam. Fl. Jul-Aug, fr. Sep.