Lemmon's Marigold

Perennials, subshrubs, or shrubs 10–50(–100+) cm. Leaf blades 50–70(–120+) mm overall, lobes or leaflets (3–)5–7+, lance-elliptic to lanceolate, 15–30(–45) × 3–7(–10+) mm. Heads in ± corymbiform arrays. Peduncles 10–50 mm. Involucres 8–10 × 5–7 mm. Ray florets (3–)5–8+; laminae yellow, ± oblong, 9–15+ mm. Disc florets 12–30+; corollas 6–7 mm. Cypselae 5–6 mm; pappi of 0–5 lanceolate- to subulate-aristate scales 2.5–3+ mm plus 5+ lanceolate to oblong, ± erose scales 0.5–1 mm, distinct or connate, linear-oblong, ± erose scales 2–6+ mm. 2n = 24.