Plants perennial, acaulescent, not stoloniferous, 5–50 cm; rhizomes thick, fleshy. Leaves basal, 1–8, ascending to erect; stipules linear-lanceolate to broadly lanceolate, margins entire, sometimes distally glandular, apex acute; petiole 5–20 cm, glabrous; blade green abaxially, unlobed, usually narrowly to broadly deltate, 1.5–12 × 1.5–10 cm, not fleshy, base cordate or broadly cordate to truncate, margins ± crenate to serrate, ciliate or eciliate, apex acute to acuminate, surfaces glabrous, rarely pubescent. Peduncles 3–25 cm, usually glabrous. Flowers: sepals lanceolate to ovate, margins ciliate or eciliate, auricles 1–2 mm; petals light to dark blue-violet, lowest and sometimes lateral 2 purple-veined, lateral 2 bearded, lowest beardless, rarely lightly bearded, 15–25 mm, spur same color as petals, gibbous, 2–3 mm; style head beardless; cleistogamous flowers on prostrate to ascending peduncles. Capsules ellipsoid, 5–12 mm, glabrous. Seeds beige, mottled to bronze, 1.5–2.5 mm. 2n = 54.
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