Perennial or occasionally annual, trailing or erect herbs. Leaves in basal rosettes and cauline, alternate, petiolate, entire, toothed or mostly lyrate-pinnatifid to bipinnatisect. Capitula solitary, axillary, radiate, broadly campanulate, long-pedunculate; involucre 3–5-seriate, hemispherical; bracts free, imbricate, scarious-margined; outermost row shorter, narrowed to linear appendages; inner bracts oblong with obtuse membranous apices; receptacle flat or slightly convex, alveolate; pit margins ±fimbriate; paleae absent. Ray florets uniseriate, neuter; ligules 3-lobed, yellow or pale, sometimes basally darker. Disc florets bisexual, fertile; corolla campanulate, deeply 5-lobed; lobes often with an abaxial, thick, deltoid, ±blackish projection at apex; anthers basally sagittate, with an ovate apical appendage; style branches very short, obtuse, glabrous. Achenes oblong-obovoid, dorsally thin-ribbed, densely to sparsely silky hairy or glabrous. Pappus scales uniseriate, minute, rarely absent.
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Annual to perennial herbs; stems trailing or erect; latex 0. Lvs in basal rosettes and alternate on stems, lyrate-pinnatifid to 2-pinnatisect, toothed. Capitula axillary, solitary, on long peduncles. Involucral bracts free, in several series; outermost row small, narrowed to a linear appendage; inner rows progressively longer, oblong, without appendages. Receptacle flat or weakly convex, alveolate, glabrous; scales 0. Outer florets ligulate, sterile. Disc florets ☿. Achenes obovoid to obconic, without furrows on the dorsal side. Pappus of 1 row of usually 4-8 short oblong scarious scales.
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