Flora of North America species comparison

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

1–5+, ascending to erect, strigose, villous, or lanate, especially distally.

thin, margins entire or sometimes serrate, apices acute to obtuse, faces usually glabrous, sometimes sparsely hairy;

basal usually persistent, petiolate to subpetiolate, blades broadly elliptic to obovate, 30–200 × 8–25(–30) mm, bases attenuate, margins entire or sometimes serrate, apices acute to obtuse;

proximal cauline sessile or subpetiolate, blades elliptic to obovate, 35–120 × 8–25 mm, bases attenuate or cuneate to rounded, sometimes ± clasping, apices acute;

distal sessile, reduced distally, bases cuneate, apices acute.

(grayish green) thin to firm, margins entire, apices acute, faces strigose;

basal withering by flowering, petiolate, blades narrowly oblanceolate, 50–100(–150) × 4–12(–15) mm, bases attenuate, margins scabrous to ciliate;

proximalmost cauline often withering by flowering (often with tufts of leaves in axils), sessile, blades linear to narrowly oblong, 30–70(–100) × 4–8(–10) mm, bases attenuate or cuneate, apices acute;

distal sessile, blades 15–80 × 2–8(–10) mm, bases cuneate, sometimes auriculate.

sparsely hairy, bracts 0–3, lanceolate.

densely short-strigose, bracts 1–6, linear-oblong, strigose.

campanulate, 6–16(–20) mm.

campanulate, 4–7 mm.

15–60;

corollas violet to purple, laminae 8–18(–20) × 1–2 mm.

15–40;

corollas pale violet, laminae 8–12(–15) × 1–1.5(–2) mm.

50–150;

corollas yellow, 4–7 mm, lobes triangular, 0.4–1 mm.

25–70+;

corollas yellow, 4–6 mm, lobes triangular, 0.4–0.8 mm.

in 4–6 series, oblanceolate or oblong (outer) to lanceolate or linear (inner), subequal or unequal (outer exceeding inner), bases outer foliaceous, inner indurate, margins entire, green zones elliptic to lanceolate, apices acute to rounded, faces glabrous or puberulent.

in 3–6 series, narrowly oblanceolate or linear (outer) to linear (inner), unequal, bases indurate, margins entire, narrowly scarious, ciliate, green zones obovate to elliptic, apices obtuse, mucronulate, faces usually strigose.

borne singly or in paniculiform arrays, branches ascending, up to 25 cm.

(3–50+) in narrowly paniculiform arrays, branches 2–10(–20) cm.

brown, cylindric to obovoid, not compressed, 2.5–4 mm, 3–4-nerved, faces hairy;

pappi white to tawny, 5–8 mm.

brown, cylindric to obovoid, not compressed, 1.5–3 mm, ribs 5–8, faces hairy;

pappi whitish, 4–6 mm.

= 36.