Erect herbs to 1.5 m high, not leafier in lower 1/3 at anthesis. Taproot small; secondary roots fleshy. Stems moderately hispid, with hair density reducing upwards, or nearly glabrous. Leaves 6–12 cm long, with l:w ratio c. 2–4, lobate to nearly pinnatisect, with 3–6 triangular, oblong or obovate projections per side; base with small to well-developed auricles; both surfaces hispid, occasionally nearly glabrous, lower surface generally not purple. Capitula numerous per stem; calycular bracteoles 3–6, 1–2 mm long; peduncle and calyculus often slightly cobwebby at anthesis; involucre 5.0–7.0 mm long, 1–1.8 mm diam.; bracts 7–10 (–13), glabrous. Florets 12–20. Achenes narrowly obloid to narrowly ellipsoid, 2.0–2.8 mm long, red-brown, with rather fine papillose hairs in narrow bands or somewhat scattered; l:w ratio of hairs c. 3. Pappus 5–6 mm long.
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