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.

petioles (narrowly, if at all, winged) 10–35+ mm;

blades lance-ovate to lanceolate, (20–)35–100+ × 5–25+ mm, sometimes with 1–4 lobes near bases, bases cuneate, margins serrate, seldom ciliate, apices attenuate, faces glabrous.

10–35(–80) mm.

10–35+ mm.

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

usually cylindric to campanulate, rarely hemispheric, (4–)8–10(–12) × (4–)7–9 mm.

usually 0, sometimes 1–5+;

laminae yellowish, 4–8 mm.

usually 0, sometimes 1–3+;

laminae yellow-orange, 2–5(–10) mm.

(5–)20–40(–60+);

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

7–30+;

corollas yellowish, 2.5–3.5 mm.

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

5–6, oblong to lance-ovate, 8–13 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–)3–5 ± erect, oblanceolate to linear, ± foliaceous bractlets or bracts 7–25(–70+) mm, margins sometimes obscurely ciliate, abaxial faces 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 red-brown,± flattened, sometimes 3–4-angled, narrowly oblanceolate, outer 5.5–10 mm, inner 6.5–11 mm, margins barbed or ciliate (proximally antrorsely, distally retrorsely), apices ± truncate, faces ± 1-nerved, glabrous or sparsely setulose, often ± striate and/or tuberculate, pappi of 2–4(–5) erect to spreading, antrorsely or retrorsely barbed awns 3–4.5 mm.

= 48.

= 48.