Flora of North America species comparison

erect, usually reddish, sometimes stramineous, glabrous.

decumbent to ascending (from rhizomes), dull green, mostly glabrous, sometimes distally puberulous.

blades spatulate or oblanceolate to oblong or lanceolate, 15–70 mm, lengths 3–5(–7) times widths, bases ± cuneate or clasping, margins usually dentate or serrate (teeth apiculate), sometimes entire, apices rounded or obtuse to acute, faces glabrous (or, near margins, scabridulous) and sparsely to densely gland-dotted.

blades lanceolate-oblong or lanceolate to oblanceolate or linear, 10–60 mm (smaller distally), lengths 5–10 times widths, bases ± clasping, margins denticulate (teeth apiculate) or entire, apices acute, faces glabrous or puberulous to scabridulous, little, if at all, gland-dotted.

broadly urceolate to globose, 8–11 × 10–20 mm.

hemispheric to campanulate, 6–9 × 8–14 mm.

18–27;

laminae 10–15 mm.

0.

in 5–6 series, linear or lanceolate to oblong-lanceolate, apices looped to hooked (outer) or recurved to nearly straight, terete to subulate or acuminate, slightly to moderately resinous.

in 4–5+ series, slightly spreading to appressed, lanceolate to oblong or ovate, apices slightly recurved or ± straight, rounded to acute, slightly, if at all, resinous.

usually in open, corymbiform to paniculiform arrays, seldom borne singly.

borne singly.

whitish or stramineous, 2.5–5 mm, apices smooth or weakly coronate, faces smooth or finely furrowed;

pappi of 4–8 straight, barbellate to barbellulate bristles or setiform awns 2.5–5.5 mm, shorter than disc corollas.

stramineous or yellow-brown, 2–3 mm, apices smooth or ± coronate, faces smooth or ± rugose;

pappi of 1–2, ± straight, smooth, setiform awns or subulate scales 4–4.5 mm, shorter than disc corollas.

= 12.

= 12.