Hymenopappus carrizoanus B.L.Turner

Biennials (perhaps flowering first year), 45–150 cm. Leaves: basal 2-pinnate, (3–)8–12 cm, 2-pinnate, lobes 4–10 × 0.5–1 mm; cauline 12–25+. Heads 45–60 per stem. Peduncles (1–)2–5 cm. Phyllaries gray-green, (3.5–)5–6 × (1.5–)2.5–3.5 mm. Ray florets 0. Disc florets 20–40; corollas whitish (drying pinkish), 3–4 mm, tubes 1.5–2 mm, throats funnelform, 1–1.5 mm, lengths 1–2 times lobes. Cypselae 4 mm, ± hirtellous to villous; pappi of 16–20 scales 1–1.5 mm.