Perennials, 5-30(-50) cm (rhizomes fibrous-rooted, creeping; plants forming extensive colonies). Stems usually 1, erect (scapiform, not branched). Leaves basal and cauline (basal usually developing after flowers); alternate; petiolate (petiole lengths 1-2 times blades) or sessile; blades (basal) palmately nerved, orbiculate to polygonal or lobed (cauline leaves lance-ovate to linear, bractlike or scale-like), margins denticulate, abaxial faces gray-tomentose, adaxial tomentulose, glabrescent. Heads (erect at flowering, nodding in fruit) radiate, borne singly. Calyculi 0 (or indistinct, bractlets intergrading with bractlike cauline leaves). Involucres cylindric to subturbinate, 10-15 mm diam. (larger in fruit). Phyllaries persistent, usually ± 21 in (1-)2 series, erect, distinct, lance-linear to linear, subequal, margins scarious (apices greenish or yellow-green). Receptacles convex, foveolate (socket margins ± membranous), epaleate. Ray florets 100-200(-300+), pistillate, fertile; corollas yellow (drying pinkish). Disc florets (20-)30-40, functionally staminate; corollas yellowish, tubes longer than campanulate throats, lobes 5, erect, linear; styles not divided. Cypselae narrowly cylindric or ± prismatic, 5(-10)-ribbed, glabrous; pappi readily falling or fragile, of 60-100+, white, barbellulate or smooth bristles. x = 30.