Flora of North America species comparison

1–10+, erect, stout, hairy.

1–10+, ascending-erect, glabrous proximally, usually moderately scabrous-puberulent distally.

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.

basal often present at flowering as new rosettes;

basal and proximal cauline often with distal portions withering by flowering, long-petiolate, blades shiny, ± 3-nerved, linear to oblanceolate, (30–)100–250 × (2–)5–15 mm, margins entire or sparsely serrulate, faces glabrous;

mid and distal cauline sessile, blades linear-lanceolate to linear, 15–80 × 1–7 mm, much reduced distally, faces glabrous or scabrous.

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

usually moderately to densely strigillose, sometimes sparsely so or glabrous;

bracts minute.

campanulate, 6–8 mm.

campanulate, 4.5–6 mm.

6–13;

laminae 1.4–5.4 × 1.2–1.9 mm.

1–4;

laminae 3–5 × 1–1.5 mm.

14–35;

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

7–13;

corollas 4–5 mm, lobes 0.5–1 mm.

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

in 3–4 series, broadly oblong, unequal, firm, striately nerved, rounded, glabrous.

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

20–150+ in compactly corymbiform arrays, sometimes somewhat rounded.

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

pappi 3–4 mm.

(dark brown, obconic, full) 2–3 mm (7–10 nerved), glabrous;

pappi 4–5 mm (clavate).

= 18.