Flora of North America species comparison

1–4, erect or ascending to decumbent, reddish, leafy, villous.

1–4, erect or ascending, reddish, sometimes sparsely leafy, sparsely to densely villous, tomentose, or woolly, usually stipitate-glandular distally.

basal (in rosettes) petiolate, blades lanceolate to oblanceolate or spatulate, 50–200 × 5–40 mm, margins usually spinulose-serrate, sometimes entire, ciliate, apices acute, faces puberulent;

cauline sessile, blades linear-lanceolate, 40–100 × 5–15 mm, reduced distally, faces glabrous or villous-hispid, eglandular.

basal petiolate, blades lanceolate to oblanceolate or elliptic, 40–200 × 8–45 mm, margins usually coarsely, sharply serrate, sometimes entire, frequently stipitate-glandular, sometimes ciliate, apices acute, faces villous to tomentose, sometimes stipitate-glandular;

cauline petiolate, lanceolate, 15–75 × 3–20 mm, becoming sessile and reduced distally, bases clasping.

1–5 cm.

1–4 cm.

turbinate to campanulate, 10–20 × 15–35 mm.

hemispheric to campanulate, 7–12 × 8–20 mm.

0 or 1–30;

corollas yellow, 2–7 mm (not surpassing involucres).

10–34;

corollas 6–15 mm.

25–50;

corollas 9–14 mm.

30–60;

corollas 5–7 mm.

in 3–5 series (± loose), linear-lanceolate to oblong, 10–20 mm, unequal, bases tapering, margins spinulose-serrate, ciliate, apices occasionally recurved, acute, mucronate, faces puberulent.

in 2–3 series, loose or appressed, green throughout or only distally (bases chartaceous), linear-lanceolate, unequal to subequal, apices acute, faces villous to tomentose, sometimes stipitate-glandular.

usually borne singly, terminal, sometimes 2–3 in racemiform arrays, subtended by leaflike bracts.

usually 3–7 in loose, racemiform arrays, rarely borne singly (short- or long-pedunculate).

subcylindric, 3–5.5 mm, 4-angled, faces striate or smooth, glabrous;

pappi tawny, 6–9 mm.

subcylindric, 3–4.5 mm, 3–4-angled, faces striate, sericeous-strigose;

pappi whitish to tawny, 5–7 mm.