Flora of North America species comparison

1–10+, ascending to erect, glabrous or sparsely puberulent.

1–10+, decumbent to ascending or erect (grayish brown, slender), sparsely strigoso-hispid, ± scabrous.

thin, margins entire or sometimes serrate, apices acute;

basal withering by flowering, petiolate, blades narrowly lanceolate, 60–200 × 10–20 mm, attenuate or cuneate, margins usually entire, sometimes serrate, apices acute, faces glabrous or sparsely puberulent;

proximalmost cauline sometimes withering by flowering, sessile, blades narrowly lanceolate, 50–150 × 8–25 mm, bases cuneate, often auriculate, apices acute;

distal sessile, blades linear to narrowly lanceolate, 20–120 × 3–20 mm, bases cuneate, often auriculate, apices acute.

(dark bright green) firm, much reduced distally, margins entire, apices acute, mucronate, faces usually glabrous, sometimes sparsely strigoso-hispid;

basal withering by flowering (new vernal rosettes often present), sessile, blades (1–3-nerved) linear-oblanceolate, 20–40 × 5–30 mm, bases attenuate, margins scabro-ciliate;

proximal cauline sometimes persistent, sessile, blades linear to linear-lanceolate, 10–40 × 5–20 mm, bases sometimes subclasping, margins entire, scabrous;

distal sessile, blades linear to linear-lanceolate, 20–40 × 2–3 mm, bases cuneate, margins entire, coarsely cililate-spinulose, apices acute, white-spinulose, faces sometimes stipitate-glandular.

sparsely hairy, bracts linear to lanceolate.

sparsely hispido-strigose, ± densely stipitate-glandular, bracts ± ascending, linear to lance-oblong, grading into phyllaries.

campanulate, 5–8 mm.

campanulate, 4–7 mm.

20–40;

corollas white to pink, laminae 7–15 × 1–2 mm.

10–20;

corollas light to dark lavender to purple, laminae 5–10 × 1–2 mm.

35–60+;

corollas yellow, 4.5–5 mm, lobes triangular, 0.5–0.75 mm.

(7–)10–30;

corollas yellow becoming reddish purple, 3.5–5 mm, throats narrowly funnelform, lobes narrowly triangular, 0.4–0.7 mm.

in 3–5 series, often spreading, oblanceolate (outer) to linear (inner), subequal, outer indurate less than 1/2, bases outer variable, inner scarious, margins entire, scabrous to ciliolate, green zones oblanceolate to elliptic, apices acute to obtuse, often spreading, faces glabrous or sparsely puberulent.

in 3–4 series, lanceolate, unequal, bases ± indurate, margins narrowly to widely scarious, hyaline except apically, sometimes ciliolate, often stipitate-glandular, green zones lanceolate to diamond-shaped, covering distal portion (outer), apices acuminate, spreading to reflexed, faces glabrous, moderately to densely short-stipitate-glandular.

in racemiform to narrow, paniculiform arrays, branches usually to 10 cm.

in ± narrowly racemiform to paniculiform arrays, branches sometimes initially patent, then spreading to ascending.

brown, cylindric to obovoid, not compressed, 2.5–3.5 mm, 1–2-nerved, faces hairy;

pappi white, 5–6 mm.

brown (nerves stramineous), obovoid, ± compressed, 1.5–2.5 mm, 7–10-nerved, faces moderately strigillose;

pappi cinnamon to sordid, sometimes purplish-tinged, 4.5–5 mm.

= 16, 32, 48, 64.

= 10.