Annuals, 10–40 cm. Stems (green or red) erect, densely hirsute and gland-dotted. Leaves mostly cauline; mostly alternate; petioles 1–6 cm; blades lanceolate to lance-ovate, 2.5–5 × 1–2 cm, bases cuneate, margins entire, abaxial faces hispid-hirsute, densely gland-dotted. Heads 1–5. Peduncles 1–3(–8) cm. Involucres hemispheric, 13–25 mm diam. Phyllaries 13–21, lanceolate to lance-ovate, 7–19 × 1.5–2 mm (equaling or slightly surpassing discs), (margins ciliate) apices acuminate, abaxial faces hispid (hairs erect, often 1+ mm) gland-dotted. Paleae 8–9 mm, ± 3-toothed (middle teeth equaling or slightly surpassing discs, apices yellowish brown, usually hispid). Ray florets 7–13; laminae 10–30 mm (abaxial faces gland-dotted). Disc florets 25+; corollas 5.5–6 mm, lobes reddish; anthers dark, appendages purplish (style branches reddish). Cypselae 4–5 mm, pilose; pappi usually of 2 linear scales 1.6–2.5 mm plus 4–6 linear or ovate, erose scales 0.5–1 mm. 2n = 34.
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