Flora of North America species comparison

1–10(–20+), erect or ascending, glabrous throughout or hairy in arrays.

1–10+, erect, glabrous.

rosettes present at flowering;

basal and proximal cauline tapering to long, winged petioles sheathing stems or nearly so, blades narrowly ovate to oblanceolate, 100–400 × 10–60 mm, thick or fleshy, entire, acute, glabrous;

mid to distal cauline usually numerous, sessile, blades lanceolate, 40–60 × 5–10 mm, reduced distally, thick or fleshy, bases sometimes subclasping, margins entire.

basal and proximal cauline usually withering by flowering (other rosettes may be present), tapering to long, winged petioles, blades often recurved, linear- lanceolate or -oblanceolate, 100–240 × 8–16 mm, folded along midrib (V-shaped in cross section), bases usually with (2–)3–8 prominent lateral nerves, apices acute to obtuse, faces glabrous;

mid to distal cauline sessile, blades recurved, linear-lanceolate, 50–70 × 8–11 mm, reduced distally, folded, bases with prominent lateral nerves.

2–3 mm, glabrous or sparsely hairy.

2.8–4 mm, moderately short-hispido-strigose, lanceolate bracteoles 0–1.

3–7 mm.

narrowly campanulate, 4.5–6 mm.

8–17;

laminae 5–6.2 × 0.4–0.6 mm.

7–9;

laminae 4.5–5.5 × 0.4–0.5 mm.

10–22;

corollas 3–3.2 mm, lobes 0.5–1.2 mm.

6–10;

corollas 4.5–5.2 mm, lobes 0.7–1.8 mm.

in 3–4 series, unequal, lanceolate, margins ciliate, apices acute.

(14–18) in 3–4 series, unequal, obtuse, broad, striations weak, obtuse to rounded, glabrous.

20–500, secund, in paniculiform arrays, secund-pyramidal to broadly club-shaped, sometimes leafy proximally, at least proximal branches spreading-recurved, branches and peduncles bracteolate, bracteoles reduced distally.

30–450 in corymbiform to somewhat paniculiform with rounded corymbiform branches (robust plants) arrays, branches and peduncles strigillose.

(obconic) 1.1–1.5 mm, moderately strigose;

pappi 3.8–4 mm (slightly clavate).

1.5–2.2 mm, glabrous;

pappi 3.5–4 mm (apically clavate).

= 18.