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.

basal and cauline on proximal 1/4–1/2 of plant heights;

petioles 1–6(–10+) cm;

blades simple or with 1–2+ lateral lobes, simple blades or terminal lobes suborbiculate or ovate-elliptic to lance-ovate, 15–55(–75) × 9–25(–35) mm.

1–5(–15+) cm.

8–20+ cm.

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

yellow, 15–20+ mm.

2.5–3+ mm.

3.5–4.5 mm, apices yellow.

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

lance-deltate to lance-ovate, 9–12 mm.

of deltate-lanceolate bractlets 1–3+ mm.

of ovate to oblong bractlets 5–10+ mm.

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.

1.5–2.5 mm, wings 0 or involute and ± corky.

nodes proximal to first peduncle usually 1–2(–3), distalmost 1–3 internodes 1–4(–8+) cm.

= 24 (+ 0–2 Bs).

= 26.