Perennial herb, diffuse, straggling. Stems herbaceous, slender, decumbent, often branching, slightly tuberous and rooting at nodes, glabrous. Leaves reniform, very shallowly lobed, very rarely with a single pinna or pair of pinnae below lamina; lamina 6-13 x 9-25 mm, glabrous, except for a few hairs at base of lamina (especially when young) and in angles of lobes; apex obtuse to rounded; margin coarsely dentate; base cordate, occasionally truncate; petiole 11-73 mm long, very sparsely hairy, glabrescent; auricles reduced to slight widening of base of petiole (mostly in upper leaves), or absent. Capitula heterogamous, radiate, solitary or rarely paired; peduncles (34-)72-200 mm long, glabrous, sparsely bracteate. Involucre calyculate; phyllaries 12 or commonly 13, 4-6 mm long, glabrous; margins scarious. Ray florets (5-)8, 7.0-9.5 mm long; limb 4.5-7.0 mm long, 4(-5)-veined). Disc florets 24-26; corolla 4-5 mm long. Cypselae obovate, compressed, narrow-winged, blackish-brown or brown with paler wing, 2.3-3.0 mm long, glabrous. Pappus to base of disc floret corolla lobes.
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