Flora of North America species comparison

1–5+, ascending to erect, glabrous or sparsely puberulent.

1–5+, ascending to erect, densely puberulent to lanate, especially distally.

thin, margins entire, apices acute, faces glabrous or sparsely puberulent;

basal persistent, petiolate, blades narrowly elliptic to obovate, 50–150 × 3–15 mm, attenuate, margins entire;

proximal cauline sessile or subpetiolate, blades linear to narrowly elliptic, 50–150 × 2–15 mm, bases attenuate or cuneate;

distal sessile, blades 30–60 × 2–10 mm, reduced distally, bases cuneate to rounded.

thin, margins entire, apices acute, faces densely lanate-puberulent;

basal often withering by flowering, subpetiolate, blades oblanceolate, 15–50 × 5–20 mm, bases cuneate, margins entire, apices acute, faces densely lanate;

proximal cauline sessile or subpetiolate, blades oblanceolate, 50–150 × 10–25 mm, bases slightly clasping, rarely auriculate;

distal sessile, blades lanceolate, 30–100 × 10–20 mm, reduced distally, bases tapered, ± auriculate, apices acute.

sparsely hairy, bracts 0–3+.

densely cinereous to lanate, bracts 0–3, lanceolate to narrowly ovate.

campanulate, 5–10 mm.

campanulate, 7–9 mm.

15–40;

corollas violet, laminae 9–15 × 1–2 mm.

20–35;

corollas violet, laminae 12–20 × 1–2 mm.

30-80(–100);

corollas yellow, sometimes becoming reddish, 4.5–6 mm, lobes triangular, 0.5–1 mm.

35–70;

corollas yellow, 5–6.5 mm, lobes triangular, 0.5–1 mm.

in 3–5 series, narrowly oblong or linear (outer) to linear (inner), unequal, bases indurate, margins entire, green zones elliptic to lanceolate, apices usually acute, sometimes obtuse, faces glabrous or ± puberulent.

in 4–5(–6) series, squarrose, oblong to oblanceolate, unequal, bases of outer indurate less than 1/3, margins entire, green zones oblong-linear to oblanceolate, apices acute or obtuse (sometimes minutely mucronate), faces densely puberulent to lanate.

in corymbiform to paniculiform arrays, branches usually few.

in corymbiform to paniculiform arrays, branches to 20 cm.

brown, cylindric to obovoid, not compressed, 2.5–3.5 mm, ± 4-nerved, faces hairy;

pappi whitish, 5–7 mm.

brown, cylindric to obovoid, not compressed, 2.5–3.5 mm, 4–5-nerved, faces hairy;

pappi whitish, 5–7 mm.

= 32.