Flora of North America species comparison

erect, usually reddish, sometimes stramineous, glabrous.

erect, stramineous, glabrous.

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 oblong, spatulate, oblanceolate, lanceolate, or linear, 15–40(–80) mm, lengths 3–7(–15) times widths, bases ± cuneate or clasping, margins serrate (teeth mostly distal, apiculate) or entire, apices obtuse to acute, faces glabrous, moderately gland-dotted.

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

broadly urceolate to hemispheric, 5–9(–11) × 6–10(–15+) mm.

18–27;

laminae 10–15 mm.

12–24;

laminae 7–12 mm.

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(–6) series, slightly spreading to appressed, lance-oblong or lance-linear to lance-subulate, apices hooked or strongly recurved to nearly straight, subterete to subulate, slightly to moderately resinous.

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

in open, paniculiform arrays.

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.

light brown to stramineous, 3–3.5 mm, apices smooth or coronate, faces striate;

pappi of 2–4 straight or slightly contorted, smooth or barbellulate, setiform awns or subulate scales 3.5–5 mm, shorter than to equaling disc corollas.

= 12.

= 12.