Flora of North America species comparison

usually 1, erect, sparingly branched, glabrous, minutely scabrous and glandular.

scabrous;

basal sessile or winged-petiolate, usually absent at anthesis, blades oblanceolate to narrowly obovate, 10–20 cm, margins entire or sparingly denticulate;

cauline sessile, usually not much smaller except among heads, blades ovate to lanceolate, mostly 5–10 cm, entire or serrulate.

broadly hemispheric, 30–50 mm.

of neutral florets pink-purple (rarely white), 35–50 mm, enlarged, raylike; of bisexual florets pinkish, 20–25 mm.

bodies pale green, broadly elliptic (outer) to linear (inner), apices with appendages erect to spreading, whitish to stramineous (less commonly pale brown to purple), fringed with 9–15 slender spinelike teeth 2–3 mm, teeth not conspicuously ciliate;

mid with (4–)5–7(–8) pairs of lobes;

faces glabrous or loosely cobwebby-tomentose.

grayish brown to black, 4–5 mm, glabrous or with white hairs near bases;

pappus bristles unequal, stiff, 6–14 mm.

= 26.