Flora of North America species comparison

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

1–5+, erect, straight (± stout, light to dark brown), proximally sparsely to moderately short-strigose, distally densely so, stipitate-glandular.

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.

(dark green) thick, firm, margins revolute (sometimes ± undulate), scabrous;

basal early deciduous, sessile or subpetiolate, blades spatulate to obovate [size unknown], bases cuneate, margins entire to ± serrate, apices acute, faces finely scabrous;

proximal cauline withering by flowering, sessile, blades (adaxially obscurely veined) oblong to lanceolate or narrowly obovate to oblanceolate, proximalmost ± pandurate, 20–70 × 10–20 mm, gradually reduced distally, bases auriculate-clasping, margins entire, finely scabrous, faces finely scabrous, stipitate-glandular;

distal sessile, blades lanceolate to oblanceolate, 14–50 × 6–11 mm, reduced distally (much smaller on branches and grading ± abruptly into bracts), bases ± auriculate-clasping to subclasping, margins entire, apices mucronate to white-spinulose, faces scabrous, sometimes sparsely to moderately stipitate-glandular.

sparsely hairy, bracts 0–3, lanceolate.

densely short-strigose, ± densely short-stipitate-glandular, bracts 1–8+, spreading to reflexed, linear to narrowly oblong-lanceolate, strigillose, stipitate-glandular, grading into phyllaries.

campanulate, 6–16(–20) mm.

campanulate to hemispheric, 8–10 mm.

15–60;

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

12–24;

corollas lavender violet to dark reddish purple, laminae 14–24 × 1.5–3.5 mm.

50–150;

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

20–40;

corollas white with purplish lobes, 7–9 mm, throats cylindro-funnelform (sparsely pilose), lobes narrowly triangular, 0.7–1.5 mm (sparsely glandular).

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 4–7 series, spatulate-oblong to lanceolate, unequal, innermost linear-lanceolate, bases tan, ± indurate in proximal 1/3–1/2, margins hyaline, not (outer) to narrowly scarious, strigoso- or hispido-ciliate, sometimes also stipitate-glandular (foliaceous apices), green zones lanceolate-spatulate, covering distal 1/2 or less, foliaceous apically, apices acute (outer) to acuminate or ± caudate (inner), spreading or reflexed (longer, inner), often purplish, faces moderately strigillose, stipitate-glandular.

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

in narrow, racemiform to ± broad, paniculiform arrays, sometimes borne singly on branches, branches initially patent then ascending, leafy.

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

pappi white to tawny, 5–8 mm.

gray-brown, narrowly obovoid, compressed, 2.5–4 mm, 7–10-nerved, faces sparsely strigose;

pappi tan to tawny, 9–11 mm.

= 50.