Perennials, 100–300 cm (rhi-zomatous). Stems (often reddish or purplish) erect, hirsute or villous. Leaves mostly cauline; mostly alternate; petioles 0.5–2 cm (broadly winged); blades lanceolate to ovate, 6.5–20 × 3.2–9 cm, bases gradually narrowed (onto petioles), margins entire or serrate, abaxial faces hirsute to tomentose, gland-dotted. Heads 1–5. Peduncles 1–3 cm. Involucres hemispheric, 15–27 mm diam. Phyllaries 20–30 (squarrose to reflexed, at least tips), lanceolate, 10–21 × 3–5 mm (notably surpassing discs), apices acute to attenuate, abaxial faces hispid to villous, densely gland-dotted (at least toward apices). Paleae 9–11 mm, 3-toothed (gland-dotted). Ray florets 10–20; laminae (often light yellow) 18–30 mm. Disc florets 90+; corollas 8–8.5 mm, lobes yellow; anthers dark, appendages dark. Cypselae 5–7 mm, glabrate; pappi of 2 aristate scales 2.4–2.6 mm. 2n = 102.
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