Perennials, 15–50(–80) cm. Stems erect, stramineous, glabrous. Cauline leaf blades oblong, spatulate, oblanceolate, lanceolate, or linear, 15–40(–80) mm, lengths 3–7(–15) times widths, bases ± cuneate or clasping, margins serrate (teeth mostly distal, apiculate) or entire, apices obtuse to acute, faces glabrous, moderately gland-dotted. Heads in open, paniculiform arrays. Involucres broadly urceolate to hemispheric, 5–9(–11) × 6–10(–15+) mm. Phyllaries in 4–5(–6) series, slightly spreading to appressed, lance-oblong or lance-linear to lance-subulate, apices hooked or strongly recurved to nearly straight, subterete to subulate, slightly to moderately resinous. Ray florets 12–24; laminae 7–12 mm. Cypselae light brown to stramineous, 3–3.5 mm, apices smooth or coronate, faces striate; pappi of 2–4 straight or slightly contorted, smooth or barbellulate, setiform awns or subulate scales 3.5–5 mm, shorter than to equaling disc corollas. 2n = 12.
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