Plants perennial, with caudices. Stems erect to decumbent or clambering, to 50 cm. Leaves: petiole to 35 mm; blade usually hastate to ovate, sometimes smallest distal elliptic, basally lobed or unlobed, to 12 × 7.5 cm, base truncate to obtusely cuneate, margins serrate, dentate, or crenulate, apex acute. Pedicels (fruiting) 1–5 × less than 1 mm. Flowers: petals yellow to orange, 6.5–17 × 4–9.5 mm, apex cuspidate, hairy on apex and abaxially near apex; stamens (10–)20–45, 5–12(–20) mm, filaments monomorphic, filiform; style 3.5–13 mm. Capsules usually clavate to funnelform, sometimes slightly ovoid, 8–18 × 3.3–4.5 mm, base rounded or cuneate, capsule and pedicel well-differentiated. Seeds (4–)5–10 per capsule, pyriform, without transverse folds. 2n = 20.
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