Flora of North America species comparison

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

mostly cauline on proximal 2/3–7/8 of plant heights;

petioles 0 or 10–35+ mm;

blades usually 1(–2)-irregularly pinnately or ± pedately lobed with (3–)5–9+ lobes, rarely simple, simple blades or terminal lobes narrowly lanceolate to linear or filiform, 15–45(–90+) × (0.5–)2–8(–12+) mm.

5–15(–30+) cm.

8–15(–25+) cm.

(5–)8(–12+);

laminae 7–10(–15+) mm.

yellow, 12–25+ mm.

20–60(–100+);

corollas 2–3.6 mm.

3.3–4.8 mm, apices yellow.

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

lance-ovate, 7–9(–12) mm.

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

of lanceolate to linear bractlets 3.5–9+ 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 spreading, ± chartaceous, entire or irregularly toothed to pectinate.

nodes proximal to first peduncle usually 6–10+, distalmost 1–3 internodes 4–7+ cm.

= 24.

= 26 (+ 0–2B).