Flora of North America species comparison

sessile or petioles (± winged) 5–15(–35+) mm;

blades ± elliptic to lanceolate, (20–)40–100(–200+) × 10–30(–70) mm, sometimes laciniately 1-pinnatisect with 1–4+ lobes near bases, bases cuneate, margins entire or dentate to serrate, usually ciliate, apices attenuate, faces glabrous or hirtellous.

sessile or petioles 5–15(–35+) mm (± winged);

blades ± elliptic to ovate or lanceolate, 40–80(–150+) × 15–40(–60+) mm, sometimes laciniately 1-pinnatisect with 1–4+ lobes near bases, bases cuneate, margins entire or dentate to serrate, usually ciliate, apices acute to acuminate, faces glabrous or hirtellous.

10–35(–80) mm.

10–40(–80) mm.

campanulate to hemispheric or broader, (4–)6–12 × (3–)6–9(–15+) mm.

campanulate to hemispheric or broader, (4–)5–7(–12) × (3–)6–12(–15+) mm.

usually 0, sometimes 1–5+;

laminae yellowish, 4–8 mm.

usually 0, sometimes 1–5;

laminae orange yellowish, 4–8 mm.

(5–)20–40(–60+);

corollas pale yellow to orange, 2–3 mm (± abruptly ampliate, anthers usually dark, blackish).

(5–)20–60(–150+);

corollas pale yellow to orange, (2–)3–4 mm (gradually ampliate, anthers usually pale).

(6–)8(–9), elliptic to oblong or ovate, (4–)5–6(–12) mm.

(6–)7–8(–13), elliptic-ovate to lance-ovate, (4–)6–9(–12) mm.

of 2–6+ spreading or ascending, lanceolate, linear, oblanceolate, oblong, or spatulate, ± foliaceous bractlets or bracts 10–25(–35+) mm, margins (entire or serrate) usually ciliate, abaxial faces hispidulous near bases, distally glabrous.

of (2–)6–7(–10) ± spreading, oblanceolate or lanceolate to linear, ± foliaceous bractlets or bracts 7–35(–60) mm, margins (entire or serrate) sometimes sparsely ciliate, abaxial faces hispidulous near bases, distally glabrous.

borne singly or in 2s or 3s.

borne singly or in 2s or 3s.

blackish to purplish or brown, usually (at least inner) ± 4-angled, usually cuneate to linear, sometimes ± obpyramidal, outer (3–)4–7 mm, inner (4–)5–8 mm, margins proximally antrorsely to patently, distally retrorsely, barbed, apices ± truncate to concave, faces usually strongly 1-nerved, usually tuberculate, glabrous or setulose;

pappi 0, or of (1–)2–4(–6), ± erect to spreading, antrorsely or retrorsely barbed awns (0.2–)2–5 mm.

blackish to purplish or brown, ± flattened, sometimes weakly 3(–4)-angled, usually cuneate to linear, outer (3–)6–7(–10) mm, inner (4–)6–9(–11) mm, margins proximally antrorsely to patently, distally retrorsely, barbed, apices ± truncate to concave, faces ± 1-nerved, usually smooth, seldom notably tuberculate, glabrous or sparsely strigillose;

pappi 0, or of (1–)3–3(–4+) ± erect to spreading, retrorsely barbed awns (0.2–)2–3(–6) mm.

= 48.

= 48.