Flora of North America species comparison

erect, usually reddish, sometimes stramineous, glabrous.

erect, stramineous, ± villous and/or stipitate-glandular.

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 or spatulate, 10–30(–45+) mm, lengths 2–3.5 times widths, bases clasping, margins ± crenulate (teeth 6–8 per cm, obtuse, resin-tipped), apices obtuse or acute, faces usually hirtellous and glandular (glands usually in pits, seldom sessile or stipitate), sometimes glabrate.

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

broadly urceolate to hemispheric, 6–9 × 8–13 mm (usually subtended by leaflike bracts).

18–27;

laminae 10–15 mm.

16–27;

laminae 6–9(–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 5–6 series, spreading to appressed, lanceolate, apices acute to subulate, slightly recurved to straight, little, or not at all, resinous.

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

in open, corymbiform 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.

brownish, 3.5–4 mm, apices smooth or obscurely coronate, faces smooth or slightly rugose (little, if at all, transversely fissured);

pappi of 2–3 straight or weakly contorted, smooth (apices dilated), bristles or setiform awns 3.5–5 mm, equaling or slightly surpassing disc corollas.

= 12.

= 12.