Plants perennial, acaulescent, stoloniferous, 2–10 cm; stolons pale, often rooting and leafy at nodes; rhizome slender, fleshy. Leaves basal, 2–6, ascending to erect; stipules ovate to linear-lanceolate, margins entire or glandular-toothed, apex acute; petiole 1–10 cm, strigose; blade unlobed, reniform to ovate, 1–6.5 × 1–5.5 cm, base broadly or shallowly cordate, margins ± entire or shallowly crenate, eciliate, apex rounded to acute, surfaces usually glabrous, abaxial surfaces sometimes puberulent on proximal 1/2. Peduncles 2.5–11(–21) cm, usually glabrous, sometimes villous. Flowers: sepals lanceolate to ovate, margins eciliate, auricles 0.5–2 mm; petals white on both surfaces, lower 3 purple-veined, lateral 2 bearded, rarely beardless, lowest 6–12 mm, spur white, gibbous, 1–2.5 mm; style head beardless; cleistogamous flowers on ascending peduncles. Capsules ovoid, 5–9 mm, glabrous. Seeds beige to bronze, 1–1.5 mm. 2n = 24.