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 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.

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, lanceolate.

0.5–1.5(–3) cm, bracts foliaceous.

campanulate, 6–16(–20) mm.

turbino-campanulate, 6–11 wide mm.

15–60;

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

18–32;

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

50–150;

corollas yellow, 4–7 mm, lobes triangular, 0.4–1 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 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 3–4 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.

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

in broad, cylindro-paniculiform arrays, branches ascending.

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

pappi white to tawny, 5–8 mm.

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

pappi white, [length unknown] mm.