Erect herbs to c. 1 m high, not leafier in lower 1/3 at anthesis. Roots not seen. Stems hispid, reducing to nearly glabrous upwards. Leaves 7–10 cm long, with l:w ratio c. 1.5–3, pinnatisect to sub-bipinnatisect, with 4–6 narrow triangular or linear segments per side, extending into distal quarter; base with well-developed auricles; upper surface glabrous; lower surface glabrous, or sparsely hispid on midrib, generally not purple. Capitula numerous per stem; calycular bracteoles 3–6, 1–2 mm long; peduncle and calyculus generally not cobwebby at anthesis; involucre 3.5–4.5 mm long, 1.4–1.8 mm diam.; bracts 11–13, glabrous. Florets 35–45. Achenes narrowly obloid-ellipsoid, 2.0–2.7 mm long, red-brown, with papillose hairs in narrow bands; l:w ratio of hairs c. 3. Pappus 4–5 mm long.
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