Flora of North America species comparison

1–2+, erect (straight to slightly flexuous, sometimes robust), glabrous.

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

thin to firm, margins slightly recurved, scabrous, faces glabrous;

basal mostly withering by flowering, petiolate (petioles narrowly winged, sheathing), blades lanceolate-ovate to ovate or spatulate, 25–110 × 10–40 mm, bases usually rounded to attenuate, seldom ± cordate, margins serrulate to shallowly serrate, apices obtuse to acute;

proximal cauline often withering by flowering, petiolate (petioles ± widely winged, ± clasping), blades lance-ovate or narrowly ovate, 50–95 × 19–31 mm, bases usually rounded to attenuate, sometimes cuneate, rarely subcordate, margins serrate to serrulate;

distal winged-petiolate or subpetiolate or sessile, blades lance-ovate or narrowly ovate to lanceolate or sometimes linear (in arrays), 7–1.5 × 3–31 mm, gradually and strongly reduced distally, bases cuneate, scarcely or not clasping, to slightly rounded and ± clasping, margins serrulate or entire, apices acute to acuminate.

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.

(when present) 0.2–1.5 cm, densely pilose or pilosulous, bracts 1–6+, lanceolate to oblong-lanceolate, foliaceous to distally grading into phyllaries.

0.5–1.5(–3) cm, bracts foliaceous.

campanulate, (6–)7–10 mm.

turbino-campanulate, 6–11 wide mm.

13–30;

corollas blue to purple, laminae (10–)15–17 × 1.6–3 mm.

18–32;

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

35–50+;

corollas cream to pale yellow becoming pinkish, 5.8–6.8 mm, tubes shorter than funnelform throats, lobes lanceolate, 0.9–1.2 mm, glabrous.

[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 3–4(–5) series, broadly lanceolate constricted to narrow oblong bases (outer) to oblong-lanceolate or linear-lanceolate (inner), ± unequal, bases indurate 1/10–1/5 (outer) to 4/5+ (inner), margins hyaline, narrowly scarious, erose (indurate portion), sparsely ciliolate (foliaceous portion), green zones foliaceous (outer) to distal 1/5–1/4 foliaceous (inner), basally truncate to lanceolate, apices spreading to squarrose, acute to acuminate, mucronulate, abaxial faces glabrous or glabrate, adaxial strigillose (foliaceous portion).

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 broad (appearing ± corymbiform) or narrow, paniculiform to ± racemiform arrays, branches usually long (to 10 cm), ascending to divaricate.

in broad, cylindro-paniculiform arrays, branches ascending.

tan, obovoid to oblanceoloid, compressed, 3–3.9 mm, 4–6-nerved, faces glabrous or sparsely strigillose;

pappi whitish to reddish, 5.3–6 mm.

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

pappi white, [length unknown] mm.

= 48.