Hymenopappus mexicanus A.Gray

Perennials, 20–90 cm. Leaves: basal simple or 1-pinnate, 6–20 cm, lobes 5–15+ × 1–9 mm; cauline 0 or 3–6. Heads 1–8(–20+) per stem. Peduncles 1–10 cm. Phyl-laries yellowish to whitish or red-tinged, 6–9 × 2–3 mm. Ray florets 0. Disc florets 20–40; corollas yellow, 3–4.5 mm, tubes 2–2.5 mm, throats campanulate, 1–1.5 mm, lengths 3–4 times lobes. Cypselae 4–6 mm, glabrous or sparsely hirtellous; pappi of 12–20 scales 0.1–0.4 mm. 2n = 34.