Flora of North America species comparison

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.

(rarely in 3s) sessile;

blades lance-ovate or oblanceolate to lanceolate or linear, 40–100(–200+) × (2–)5–25(–45+) mm, bases cuneate to rounded, margins usually coarsely dentate to serrate, sometimes entire, sometimes ciliate, apices acute to acuminate, faces glabrous.

10–40(–80) mm.

10–40(–100+) mm.

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

± hemispheric or broader, (3–)6–10 × (8–)12–20+ mm.

usually 0, sometimes 1–5;

laminae orange yellowish, 4–8 mm.

usually 6–8, sometimes 0;

laminae orange-yellow, 2–15(–18) mm.

(5–)20–60(–150+);

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

(10–)40–100(–150+);

corollas orange-yellow, 3–4 mm.

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

6–8+, ovate or lance-ovate to lanceolate, 2–10 mm.

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.

of (3–)5–8(–10) spreading to reflexed, oblong to lance-linear, often ± foliaceous bractlets or bracts (3–)8–12(–25+) mm, margins usually ciliate, abaxial faces usually glabrous, bases sometimes hispidulous.

borne singly or in 2s or 3s.

(erect or nodding at flowering, usually nodding in fruit) borne singly or in open, ± corymbiform arrays.

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.

blackish or brown, usually ± flattened, sometimes ± 4-angled, ± cuneate, outer (3–)5–6+ mm, inner 4–8 mm, margins (± thickened or winged) retrorsely ciliate, apices ± truncate to convex, faces ± striate, glabrous or tuberculo-strigillose;

pappi of (2–)4, ± erect, retrorsely barbed awns (1–)2–4 mm.

= 48.

= 24, 48.