Plants (10–)20–50(–80) cm (aerial stems unbranched, usually clustered). Leaves mostly basal; basal petiolate; blades 3-nerved, linear, linear-elliptic, or linear-oblanceolate, 5–15 cm × 2.5–9.5(–15) mm. Heads borne singly, 20–32 mm diam. Peduncles 10–28 cm. Phyllaries 9–12 × 1–3 mm, (margins sometimes narrowly-winged proximally) apices obtuse to acute, often mucronate. Paleae linear, apices acute or mucronate. Corollas usually white, sometimes pale lavender, lobes 4–6 × 0.5–1 mm. Pappi: scale margins irregularly fimbriate. 2n = 18, 36.
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