Plants forming colonies, 10–40(–60) cm. Rhizomes branched. Stems 1–3(–4). Leaves: basal: petiole 4.1–23 cm; blade broadly ovate to ovate-reniform, 1.9–12.4 × 2.1–11.1(–12.3) cm, base cordate, margins crenate, sometimes serrulate proximally; cauline: stipules lanceolate to deltate, margins entire to laciniate, apex acuminate; petiole 0.2–6.9(–15.2) cm; blade ovate, 2.9–7.7 × 1.8–7.8 cm, base cordate to ± truncate, margins crenate to ± serrulate, ciliate. Peduncles 1.2–5 cm. Flowers: lowest petal 10–20 mm; cleistogamous flowers sometimes absent. Capsules 6–10 mm, sometimes muriculate. 2n = 24.
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