Stems stout to slender, glabrous or hairy in lines. Leaf blades broadly oblanceolate (not much reduced in arrays), margins usually serrate. Heads 3–10+ per branch, if many, not congested on lateral branches, not subtended by foliaceous bracts. Involucres 3.9–5.5 mm. Phyllaries: outer 1.9–3.5 × 0.4–0.6 mm, inner 3–4.9 × 0.4–0.6 mm, outer 1 / 3 – 2 / 3 length of inner. Ray florets 16–33; corollas white, laminae 4.1–8.6 mm. Disc florets 13–29; corollas 3.2–5.7 mm, limbs 1.9–3.2 mm, lobes 0.4–1.1 mm. Cypselae 0.8–1.8 mm; pappi 3.1–5.3 mm. 2n = 64.
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