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.

(sometimes in 3s or 4s) sessile;

blades obovate or elliptic to lanceolate or linear, (20–)50–100(–160+) × (5–)10–25(–40+) mm, bases cuneate to rounded, margins usually coarsely dentate to serrate, sometimes ciliate, apices acute to acuminate, faces glabrous.

10–40(–80) mm.

(10–)20–60 mm.

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

turbinate to hemispheric or broader, (4–)6–8(–10+) × 8–12+ mm.

usually 0, sometimes 1–5;

laminae orange yellowish, 4–8 mm.

usually 7–8, rarely 0;

laminae orange-yellow, (10–)15–25(–30) mm.

(5–)20–60(–150+);

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

(25–)60–100(–150+);

corollas yellow to orange-yellow, 3–6.5 mm.

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

8–12, ovate or obovate to lance-oblong, (4–)6–8(–10+) mm (tips often orange to purplish, as are tips of paleae).

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 5–7(–9+) erect or spreading to reflexed, oblanceolate or lanceolate to linear, often foliaceous bractlets or bracts (6–)10–12(–20+) mm, margins usually ciliate, abaxial faces glabrous or bases hispidulous.

borne singly or in 2s or 3s.

(erect at flowering, sometimes 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, red-brown, or stramineous, obcompressed, flattened or unequally 3–4-angled, ± cuneate, outer 6–8 mm, inner 8–10 mm, margins retrorsely ciliate or barbed, apices ± truncate to convex, faces ± 1-nerved, ± striate, glabrous;

pappi of 2–4 ± erect, retrorsely barbed awns 3–5 mm.

= 48.

= 22, 24.