Flora of North America species comparison

petioles 10–30 mm;

blades lanceolate to lance-linear overall, 30–80(–150) × 10–30(–50) mm, usually laciniately pinnatisect, primary lobes 3–7+, 15–60+ × 2–20 mm, bases cuneate, ultimate margins laciniate to serrate, ciliate, apices acuminate, faces glabrous or sparsely scabrellous.

petioles 10–25 mm;

blades lanceolate to lance-linear, 40–160 × 3–30+ mm, bases cuneate, margins entire or laciniate to serrate or denticulate, minutely, if at all, ciliate, apices acuminate to attenuate, faces glabrous.

(10–)30–80+ mm.

10–30(–60+) mm.

± hemispheric or broader, 6–8(–12) × 10–15 mm.

narrowly campanulate to cylindric, 9–16 × 5–8(–12) mm.

(5–)8–10+;

laminae yellow, 10–25 mm.

usually 0, sometimes 3–5+;

laminae yellowish, 2–10 mm.

(12–)20–40+;

corollas yellowish, 2–3+ mm.

6–20(–30+);

corollas yellowish, 3–6 mm.

7–8(–13), lance-ovate to lance-linear, 6–8(–12) mm.

4–8+, ± oblong, 9–16 mm.

of 8–12(–16) usually spreading to reflexed, linear, seldom foliaceous bractlets (4–)5–7(–12) mm, margins entire, ciliate, abaxial faces glabrous or ± scabrellous.

of 3–5 usually spreading, narrowly lanceolate to oblanceolate, sometimes foliaceous bractlets or bracts 10–30(–60) mm, margins entire, usually ciliate, abaxial faces usually glabrous.

in ± corymbiform arrays.

usually borne singly, sometimes in open, ± corymbiform arrays.

red-brown to blackish, ± flattened (unequally 3–4-angled), broadly cuneate, outer (4–)5–6 mm, inner 5–7 mm (lengths mostly 1.5–2.5 times widths), margins (± corky-winged) patently to antrorsely barbed, apices truncate to concave, faces weakly striate, sometimes tuberculate, glabrous or sparsely strigillose;

pappi 0, or of 2(–4) spreading to divergent, antrorsely or retrorsely barbed awns (0.5–)2–4(–6) mm.

red-brown, flattened, sometimes weakly 4-angled, narrowly cuneate to linear, outer 6–10 mm, inner 8–13 mm, margins evenly antrorsely strigillose, apices truncate, faces smooth or ± striate, ± evenly antrorsely strigillose;

pappi of 2(–4) erect to spreading, antrorsely barbed awns (2–)3–9 mm.