Plants perennial, acaulescent, not stoloniferous, 3–20 cm; rhizome short, slender, fleshy. Leaves basal, 2–10, often prostrate, sometimes ascending; stipules narrowly lanceolate, margins faintly glandular-toothed, apex acute or obtuse; petiole 5–11 cm, glabrous; blade unlobed, ± deltate, 3–5 × 4–5 cm, base ± truncate, margins serrate, ciliate or eciliate, apex obtuse, surfaces usually glabrous, sometimes sparsely pubescent abaxially. Peduncles 8–14 cm, glabrous. Flowers: sepals lanceolate to ovate, margins eciliate or ciliate around auricles, auricles 1–2 mm; petals light violet on both surfaces, lower 3 purple-veined, all beardless, lowest petal 8–20 mm, spur white, gibbous, 2–3 mm; style head beardless; cleistogamous flowers on prostrate to ascending peduncles. Capsules oblong, 8–10 mm, glabrous. Seeds dark brown to black, 1.2–2 mm. 2n = 44.
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