Glab., tufted herb up to 6 dm. tall, with stem ± 2.5 cm. at base. Lvs all radical on stout petioles up to 16 × 3 cm. Lamina 6-18 cm. long, broadly oblong, cuneately narrowed into petiole, or base cordate, coriac., coarsely crenate or doubly crenate. Scapes stout, up to 15 cm. long, simple to branched with 1-4 sessile or shortly stalked oblong bracts up to ± 5 cm. long. Fls us. ∞, 2-5 cm. diam.; sepals 5, broadly oblong to obovate-oblong, ± 1cm. long; petals 5, golden yellow, broadly obcuneate to obovate, 1·5 cm. long, emarginate or rounded at apex. Nectary glands 2-3, basal. Fruiting heads broad-oblong; receptacle pilose. Achenes ∞, somewhat turgid, ± pilose to glabrate, ± 2 mm. long; style slender, subulate, curved.

2n = 48

2n = 48

Tufted perennial; rhizome stout. Stems erect, glabrous, to 60 cm tall. Lvs simple, oblong to elliptic, fleshy, coarsely crenate, glabrous, truncate or abruptly cuneate at base, 6-15 × 4-10 cm. Fls 5-15 per stem, 3-5 cm diam.; pedicels glabrous. Sepals spreading, glabrous. Petals 5-(6), yellow, cuneate-obovate, emarginate; nectary 1-(3)-lobed, basal, naked. Receptacle hairy. Achenes very numerous, not flattened, silky hairy to almost glabrous; body 2-2.5 mm long; beak straight or curving, 5-6 mm long.