Flora of North America species comparison

(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.

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–)20–60 mm.

10–35+ mm.

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

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

usually 7–8, rarely 0;

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

usually 0, sometimes 1–3+;

laminae yellow-orange, 2–5(–10) mm.

(25–)60–100(–150+);

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

7–30+;

corollas yellowish, 2.5–3.5 mm.

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

5–6, oblong to lance-ovate, 8–13 mm.

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.

of (2–)3–5 ± erect, oblanceolate to linear, ± foliaceous bractlets or bracts 7–25(–70+) mm, margins sometimes obscurely ciliate, abaxial faces glabrous.

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

borne singly or in 2s or 3s.

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.

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.

= 22, 24.

= 48.