Flora of North America species comparison

1–5+, erect or ascending (straight, often stout), proximally usually ± densely hirtellous, sometimes glabrescent, distally hirsute.

1, decumbent to erect (straight), glabrous.

thick, firm, margins (slightly undulate) scabrous, adaxial faces glabrous or strigose, scabrous, adaxial ± sparsely hirsute to scabro-hirtellous, sometimes ± scabrous (cauline sometimes with tufts of smaller leaves in axils);

basal withering by flowering, petiolate (petioles sometimes narrowly winged), blades oblong-ovate to lanceolate, 10–40 × 10–20 mm, bases deeply cordate, margins sparsely serrate to serrulate, apices usually acute, sometimes obtuse to rounded;

proximal cauline usually withering by flowering, petiolate (petioles slender to ± winged), blades ovate to broadly lanceolate, 40–90 × (15–) 25–50 mm, bases shallowly cordate or rounded to attenuate, rarely truncate, margins subentire or entire (rarely serrulate), apices acute or acuminate, with short callus point;

distal subpetiolate or sessile, blades ovate to lanceolate or linear-lanceolate, 10–70 × 1–10 mm, gradually or abruptly reduced distally, bases attenuate to cuneate, margins entire, apices acute to acuminate.

± fleshy, margins entire, eciliate, apices obtuse, faces glabrous;

basal deciduous at bolting, petiolate, blades oblanceolate 44–50 × 5–7 mm [cult.], bases attenuate;

proximal cauline and some distal withering by flowering;

cauline sessile, blades linear-lanceolate to spatulate, 15–55 × 1–4 mm, reduced distally, bases cuneate;

distal sessile, blades linear-lanceolate to spatulate.

densely bracteate, 0.3–5(–10) cm (rarely subsesssile), bracts numerous, linear, 2–6 mm, mucronulate, grading into phyllaries.

glabrous, bracts linear.

campanulate, 5–10 mm.

campanulate, 5–8+mm.

18–45;

corollas usually bright lavender-blue to purple, seldom white, laminae 9–15(–18) × 1–3.2 mm.

0.

14–47+ in 2–3+ series;

laminae 0 (corolla tubes 2–2.4 mm, shorter than style branches).

33–40+;

corollas cream or light yellow turning pinkish purple, (4–)4.5–5.5 mm, tubes shorter than funnelform throats, lobes sometimes ± spreading, triangular to lanceolate, 0.5–0.8 mm.

5–8+;

corollas yellow, 3.1–3.9 mm, lobes deltate to triangular, 0.2–0.3 mm.

in 4–6 series, oblong-lanceolate (outer) to oblanceolate-linear (innermost), unequal, bases indurate (appressed), margins ciliate to scabro-ciliate, green zones diamond-shaped to lanceolate, ± foliaceous distally, apices reflexed to squarrose, long-acuminate, apiculate, often purple, faces strigoso-hirtellous.

in 3–4 series, lanceolate, subequal, bases scarious, margins eciliate, green zones foliaceous (outer), apices obtuse, faces glabrous.

in open, diffuse, paniculiform arrays, branches divaricate, stout, long, densely bracteate.

(disciform) in ± densely paniculiform arrays.

deep purple to purplish brown or brown with purple speckles (nerves stramineous), oblong-obovoid, compressed, (1–)2.5–3.5(–3.8) mm, 5–6-nerved, faces glabrous;

pappi tawny or rose-tinged, 3.7–5.2 mm.

purple, obovoid, ± compressed, 2.8–2.9 mm, 2–4-nerved, faces strigillose;

pappi white to yellowish white, 4.8–5.2 mm.

= 16.

= 14.