Perennial herb (12–) 40–90 cm high. Leaves subsessile or shortly petiolate, linear, lanceolate or ovate, 3–12 (–14) cm long, 0.3–3.0 cm wide, entire to sparsely and coarsely toothed, glabrous or sparsely to moderately hispid on veins and margins. Capitula radiate or discoid, 6–13 (–17) mm in diam. (excluding rays), usually solitary, terminal; peduncle 7.5–37 cm long; involucral bracts 8–15, 2–3-seriate, (broadly) ovate to obovate, ±glabrous, ciliate on margins. Ray florets present, yellow to yellow-orange, conspicuous or tiny. Disc florets 4-or 5-lobed. Achenes (1.4–) 2.5–3.9 mm long, ciliate (rarely eciliate) on margins, glabrous or sparsely ciliate on body. Pappus absent or often of 2 or 3 subequal bristles.
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