Flora of North America species comparison

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

1–10, ascending to erect, uniformly finely strigillose-villous distal to mid.

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 cauline nearly always withering well before flowering, linear-oblanceolate, smaller than proximal mid cauline, serrate;

proximal persisting, sometimes brown-black after senescence, often twisted;

proximal to distal numerous (100+ on tall stems), crowded, sessile, blades (bright green) linear to linear-lanceolate, 20–70 × 2–7(–10) mm, margins remotely serrulate (proximal) to entire or with 1–2 minute serrations (distal), obscurely 3-nerved, one or both faces glabrous or finely strigillose.

2–3 mm, glabrous or sparsely hairy.

1–4 mm, finely strigilloso-villous;

bracteoles 0–2, linear, grading into phyllaries.

3–7 mm.

narrowly campanulate, 2.5–3.5 mm.

8–17;

laminae 5–6.2 × 0.4–0.6 mm.

2–8;

laminae 1–2 × 0.25–0.5 mm.

10–22;

corollas 3–3.2 mm, lobes 0.5–1.2 mm.

2–4(–6);

corollas 2.3–3.5 mm, lobes 0.4–1 mm.

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

in 3–4 series, strongly unequal;

outer ovate, acute, inner oblong, obtuse to rounded.

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.

100–300+, in short to elongate, pyramidal paniculiform arrays, branches recurved, secund.

(obconic) 1.1–1.5 mm, moderately strigose;

pappi 3.8–4 mm (slightly clavate).

(narrowly obconic) 1 mm, strigillose;

pappi 2–3 mm.

= 18.