Herbs perennial, (20–)40–70 cm high. Rhizomes simple or slightly branching, short, erect or arched, with a bundle of adventitious roots. Stems straight, simple, less often weakly branched, slightly grooved. Basal leaves (1–)2–4, spirally-alternate, congested in a basal rosette; petioles 10–25(–35) cm long; blades 4–7 × 5–8 cm, rhomboid, 3–5(–7)-lobed, segments dissected almost to the midrib into lobes, ending sharply with edges dentate. Cauline leaves 2–5(–7), opposite, with short petioles or sessile, gradually smaller towards the apex. Inflorescence terminal, 1(–2)-flowered. Flowers 3.5–4.5(–5.5) cm diam.; pedicels 5–12 cm long, elongating in fruit up to 8–15 cm long; sepals 8–10(–14), 1.3–2.4 × 0.8–1.5 cm, rhombic-ovate or broadly elliptic, reddish-orange or yellow-orange; petals 9–18, 2–2.8 × 0.2–0.3 cm, oblong-lanceolate, slightly wider at middle, base narrow cuneate, apex acute, orange- or reddish-orange coloured, nectarostigma 2.5–3 mm from base; stamens more than (9)10, filaments 7-11 mm long, anthers 1.5–2(–2.5) mm long, linear; Fruits aggregate, with 9–14(17) follicles, 10–15 mm long, persistent style 1.5–3.0 mm long, slightly incurved.