Perennials, (10–)20–30(–40) cm; rhizomes 0.5–5 cm. Stems erect, sometimes reddish brown, sometimes branched distally, striate, sparsely to densely long-sericeous. Leaves: basal usually withering by flowering, shorter than cauline; cauline spreading to ascending, sessile, blades linear, falcate, often conduplicate, apices acuminate; proximal 50–90 × 2–7 mm, glabrate to sparsely sericeous; distal somewhat smaller, glabrate except for margins. Heads (2–)4–10(–25) in corymbiform arrays. Peduncles sparsely bracteolate, 1–4 cm, white-villous. Involucres turbino-campanulate, 5–8 mm. Phyllaries in 5–6 series, apices with tufts of hairs, faces sparsely strigose. Ray florets 9–15; corolla laminae 5–8 mm. Disc florets 30–60; corollas 4.5–6 mm, sparsely pilose near base of limbs, lobes 0.5 mm, sparsely pilose. Cypselae fusiform, 3–4 mm, ribbed, faces strigose; pappi: outer of linear setiform scales 0.5–1 mm, inner of 30–40 bristles 4–6 mm. 2n = 18.
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