Flora of North America species comparison

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

1–4, ascending, reddish, slender, lightly tomentose, glabrescent, 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.

basal sessile to winged-petiolate, blades linear (grasslike), 40–120 × 2–5 mm, margins usually entire, rarely with a few small teeth;

cauline sessile, blades linear, 10–20 × 1–3 mm;

faces sericeous to sparsely shaggy-tomentose, eglandular.

1–4 cm.

4–8 cm.

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

hemispheric, 7–10 × 13–18 mm (bases white-tomentose).

10–34;

corollas 6–15 mm.

25–50;

corollas 6–10 mm.

30–60;

corollas 5–7 mm.

30–60;

corollas 5–7 mm.

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.

in 2 series, loosely appressed, linear to linear-lanceolate, 8–9 mm, equal, bases chartaceous, margins entire, ciliate, apices green, acute, faces sparsely villous.

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

usually borne singly, terminal.

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

pappi whitish to tawny, 5–7 mm.

subcylindric, 2–4 mm, faces sericeous;

pappi tawny, 3–4 mm.