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.

petioles 3–20 mm;

blades usually rounded-deltate overall, 10–30+ × 5–20+ mm, 1–2-pinnatisect, ultimate lobes linear to filiform, 2–25 × 0.5–1(–2) mm, bases obscurely cuneate, ultimate margins minutely, if at all, ciliate, apices obtuse to acute (sometimes apiculate), faces glabrous or sparsely hirtellous.

10–40(–80) mm.

10–50(–100) mm.

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

± cylindric, 3.5–5 × (1–)2–3 mm.

usually 0, sometimes 1–5;

laminae orange yellowish, 4–8 mm.

0 or 1–3+;

laminae yellowish, 1–4 mm.

(5–)20–60(–150+);

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

5–9(–13);

corollas yellowish, 1–1.5 mm.

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

5–6, lance-elliptic to lanceolate, 2.5–4(–5) 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 (1–)3(–5), appressed to spreading, linear bractlets (1–)3(–4) mm, margins minutely, if at all, ciliate, abaxial faces usually glabrous, sometimes sparsely hispidulous.

borne singly or in 2s or 3s.

usually borne singly.

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.

red-brown to blackish (sometimes with lighter blotches), outer ± obcompressed and linear, 3–5 mm, margins not ciliate, apices ± truncate, faces 2-grooved, usually glabrous;

inner similar, ± equally 4-angled, linear-fusiform, (6–)7–12 mm, apices ± attenuate;

pappi 0, or of 2(–3) spreading to divergent, retrorsely barbed awns 1–2 mm.

= 48.