Flora of North America species comparison

blades simple or 1(–2)-pinnately lobed, terminal lobes filiform, 0.5–1(–1.5) mm wide.

proximal blades usually 1(–2)-pinnate, terminal lobes ± elliptic or oblanceolate to lanceolate or linear, 15–30+ × 4–8(–12+) mm;

cauline blades simple or 1(–3)-pinnate, simple blades or terminal lobes narrowly oblanceolate to linear, 8–35(–70+) × 1–3(–5) mm.

5–15(–30+) cm.

2–5(–8) cm.

(5–)8(–12+);

laminae 7–10(–15+) mm.

usually yellow throughout, rarely with proximal red-brown blotch, 8–15+ mm.

20–60(–100+);

corollas 2–3.6 mm.

2.2–3.5 mm.

5–8, obovate to oblanceolate, 4–6(–7+) mm.

± lance-oblong to lanceolate, (4–)5–9 mm.

of (3–)5–8 linear bractlets 3–7+ mm, not ciliolate near bases.

of deltate-ovate to oblong or linear bractlets 2–6+ mm.

± oblong, (2.5–)3–4+ mm, marked adaxially with red dots or dashes, wings corky-thickened, faces ± tuberculate and/or hirtellous.

2–3 mm, wings 0.2–0.8+ mm wide;

pappi of 2 subulate scales (0.2–)0.4–1(–1.4+) mm.

= 24.

= 24 (+ 0–2 Bs).