Flora of North America species comparison

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

1–10+, erect, stout, hairy.

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 present at flowering, abruptly narrowed to long petioles, blades ovate to rhombic, 80–200 × 24–50 mm, firm, flat, margins entire to crenate, sometimes undulate, apices obtuse to acute, faces densely hairy;

mid to distal cauline sessile, blades ovate, 30–50 × 15–17 mm, stiff, greatly reduced distally, margins entire or finely serrate, sometimes undulate, apices acute to obtuse.

2–3 mm, glabrous or sparsely hairy.

3–15 mm, strigillose-canescent, bracteoles 1–3, linear-lanceolate.

3–7 mm.

campanulate, 6–8 mm.

8–17;

laminae 5–6.2 × 0.4–0.6 mm.

6–13;

laminae 1.4–5.4 × 1.2–1.9 mm.

10–22;

corollas 3–3.2 mm, lobes 0.5–1.2 mm.

14–35;

corollas 4.3–6.1 mm, lobes 0.6–1.1 mm.

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

in 3–4 series, unequal, oblong, conspicuously striate (3–5 pronounced nerves), obtuse.

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.

9–190, in corymbiform arrays, compact or branches long and spreading, densely hairy throughout.

(obconic) 1.1–1.5 mm, moderately strigose;

pappi 3.8–4 mm (slightly clavate).

(obconic) 0.8–1.7 mm (ribbed), glabrous or strigillose apically;

pappi 3–4 mm.