Plants 60–130 cm; rhizomes short, stout. Stems 1–10+, ascending to erect, scabroso-puberulent at least in distal 1/2. Leaves: basal withering by flowering; mid and distal cauline numerous; subsessile or obscurely petiolate; blades narrowly elliptic to lanceolate, 7–10 × 10–15 mm, firm, attenuate, margins distally serrate, eciliate, 3-nerved, apices acuminate or sharply acute, faces glabrous. Heads 50–150, in paniculiform arrays, branches recurved, secund. Peduncles 0.5–3 mm, sparsely strigose; bracteoles linear, minute. Involucres narrowly campanulate, 4–5 mm. Phyllaries in 3–4 series, lanceolate to linear lanceolate, unequal, apices obtuse, innermost acute. Ray florets 5–8; laminae 2–3 × 0.75 mm. Disc florets 5–9; corollas 3–3.5 mm, lobes 0.5 mm. Cypselae ca. 2 mm, moderately short-strigose; pappi 2–3 mm. 2n = 36.
