Flora of North America species comparison

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

1, erect (straight), hirsute to hispido-hirsute, hirsutulous 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.

margins shallowly crenate to serrate-crenate, abaxial faces strigillose, adaxial scabrous;

basal withering by flowering, petiolate, petioles winged, clasping to subclasping, shallowly auriculate, blades subspatulate or oblanceolate-elliptic, 30–70 × 10–15 mm, bases attenuate to cuneate, apices acute;

proximal cauline withering by flowering, widely winged-petiolate, blades oblanceolate-elliptic, 50–110 × 8–22 mm, bases attenuate, apices acute;

distal subsessile, blades oblong-lanceolate, 10–30 × 4–6(–8) mm.

sparsely hairy, bracts 0–3+.

0.5–1.5(–3) cm, bracts foliaceous.

campanulate, 5–10 mm.

turbino-campanulate, 6–11 wide mm.

15–40;

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

18–32;

corollas blue to lavender, laminae 6–9 × 0.8–1.4 mm.

30-80(–100);

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

[number unknown];

corollas yellow, at least lobes becoming purple, (4–)4.5–5.5 mm, tubes shorter than cylindro-funnelform limbs, lobes triangular, 0.8–1 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 3–4 series, slightly unequal, narrowly oblong-lanceolate, bases indurate 1/2–2/3, margins not scarious, irregularly ciliolate, green zones rhombic-lanceolate, apices acute to acuminate, faces glabrous or distally strigoso-puberulent.

in corymbiform to paniculiform arrays, branches usually few.

in broad, cylindro-paniculiform arrays, branches ascending.

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

pappi whitish, 5–7 mm.

tan to often purplish, oblong to oblanceoloid, ± compressed, 2.6–3 mm, 4–6-nerved, faces sparsely strigillose;

pappi white, [length unknown] mm.