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 (narrowly, if at all, winged) 5–20(–35+) mm;

blades lanceolate to lance-linear, (20–)30–50(–80+) × (3–)6–20(–30+) mm, sometimes laciniately 1-pinnatisect with 2–4+ lobes near bases, bases cuneate, margins incised to serrate, seldom ciliate, apices acute to attenuate, faces glabrous.

(10–)30–80+ mm.

10–35(–55) mm.

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

usually obconic to broadly campanulate, rarely hemispheric, (4–)6–7 × (4–)5–7 mm.

(5–)8–10+;

laminae yellow, 10–25 mm.

usually 0, sometimes 1–3+;

laminae orange yellowish, 2–5(–10) mm.

(12–)20–40+;

corollas yellowish, 2–3+ mm.

(7–)20–70+;

corollas yellowish, 2.5–3.5 mm.

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

(4–)5–8,oblong to lance-ovate, (4–)5–8+ 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 (2–)3–5(–7) ± erect, oblanceolate or spatulate to linear, ± foliaceous bractlets or bracts (6–)10–25(–40+) mm, margins rarely ciliate, abaxial faces usually glabrous, sometimes sparsely hispidulous.

in ± corymbiform arrays.

borne singly or in 2s or 3s.

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.

outer red-brown, ± flattened, sometimes 3–4-angled, broadly cuneate, 4–5(–6) mm, inner blackish, narrowly cuneate, (5–)6–7(–8+) mm, margins glabrous or sparsely antrorsely strigillose,apices ± truncate to convex, faces ± 1-nerved, glabrous or sparsely setulose, usually smooth, sometimes ± tuberculate;

pappi 0, or of 2(–4) spreading to divergent, antrorsely or retrorsely barbed awns (0.1–)1–3.5+ mm.

= 48.