Flora of North America species comparison

1–7, procumbent to decumbent or ascending, red tinged, scapiform, glabrous or sparsely tomentose.

1–8, usually erect, rarely curved-ascending, pale, rarely reddish, robust, glabrous, eglandular.

basal petiolate, blades lanceolate to narrowly oblanceolate, 30–100 × 2–18 mm (leathery), margins usually coarsely dentate to laciniate, rarely entire, ciliate;

cauline sessile, blades linear-lanceolate (bractlike), 10–20 × 1–2 mm;

faces glabrous, eglandular.

basal (tufted), long-petiolate, blades (pale) broadly elliptic to obovate, 100–500 × 40–200 mm, rigid, margins entire or undulate, occasionally spinulose-serrate, eciliate;

cauline reduced and becoming sessile distally, margins entire or sharply spinulose-serrate;

faces glabrous.

2–3 cm.

2–7 cm.

hemispheric, 7–13 × 13–20 mm.

broadly hemispheric, 20–32 × 25–40 mm.

11–40;

corollas 7–16 mm.

17–34;

corollas inconspicuous, 7–13 mm.

45–90;

corollas 5–7 mm.

80–100;

corollas 10–15 mm.

in 3–4 series, green, oblanceolate to narrowly oblong, 4–10 mm, unequal, margins white to purplish, entire, ciliate, apices green, broad, acute, faces glabrous.

in 5–6 series, loosely appressed, ovate-oblong, unequal, margins pale, entire, eciliate, apices green, tip reflexed, faces glabrous.

usually borne singly, terminal, rarely 1–2 smaller proximally.

borne singly or 3–12 in short, open corymbiform arrays (subtended by leaflike bracts).

fusiform, slightly flattened, 5–7 mm, 3-angled, faces striate, glabrous;

pappi tawny, 5–7.5 mm.

subcylindric, 6–11 mm, 4-angled, faces glabrous;

pappi tawny or brownish, 9–13 mm.

= 12.

= 36.