Flora of North America species comparison

1–10, decumbent to ascending or erect, red-tinged, sometimes branched, sparsely leafy, ± tomentulose or glabrous, sometimes stipitate-glandular.

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

basal blades lanceolate or rarely oblanceolate to narrowly elliptic, 50–300 × 8–30 mm, margins sharply dentate, eciliate, apices acute, spinulose;

cauline sessile, lanceolate, bases clasping;

faces ± tomentulose to glabrate or glabrous, sometimes stipitate-glandular.

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.

0–6 cm.

1–4 cm.

hemispheric, 7–10 × 10–18 mm.

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

18–45;

corollas 6–11 mm.

10–34;

corollas 6–15 mm.

20–100;

corollas 5–7 mm.

30–60;

corollas 5–7 mm.

in 3–4 series, linear-lanceolate to lanceolate, 3–11 mm, unequal, bases white-chartaceous, margins entire, eciliate, apices conspicuously green, faces glabrous or tomentulose, rarely stipitate-glandular.

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.

(1–)4–20(–50) in corymbiform or paniculiform arrays.

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

oblong, 3.5–4.5 mm, 4-angled, faces striate, sericeous;

pappi tawny, 5–7 mm.

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

pappi whitish to tawny, 5–7 mm.