Flora of North America species comparison

proximal blades usually 1(–3)-pinnate, terminal lobes lance-ovate to oblanceolate, 10–60 × 5–25 mm;

cauline blades usually 1–2(–3)-pinnate, rarely simple, simple blades or terminal lobes lance-linear to linear or filiform, 10–45 × 0.5–2(–5+) mm.

blades simple or 1(–2)-pinnately lobed, terminal lobes spatulate to narrowly oblanceolate, 1–3 mm wide.

1–5(–15+) cm.

5–12(–20+) cm.

5–8;

laminae 8–12(–15+) mm.

usually yellow with red-brown blotch, sometimes red-brown in proximal 1/3–9/10 and distally yellow, rarely yellow throughout, 12–18+ mm.

2.5–3+ mm.

12–30+;

corollas 2.5–3.5 mm.

± lance-oblong to lance-ovate, 4–7(–9) mm.

(5–)8, ovate to lance-ovate, 4–5(–7) mm.

of deltate-lanceolate bractlets 1–3+ mm.

of 5–7+ oblong to linear bractlets 4–8(–10) mm, ciliolate near bases.

1.5–3(–4+) mm, wings 0 or 0.1–0.7+ mm wide;

pappi 0, or of 1–2 cusps or subulate scales 0.1–1+ mm.

± obovate, 4–5 mm, not marked adaxially with red, wings corky-thickened, faces smooth or ± tuberculate, not hirtellous.

= 24 (+ 0–2 Bs).

= 24.