Flora of North America species comparison

1–3+, ascending to erect (sometimes purple or purplish brown), glabrous or glabrate, sparsely hairy in leaf axils [villous to sericeous].

1–5+, ascending to erect, densely puberulent to lanate, especially distally.

thin, apices callous-pointed, faces glabrous or glabrate;

basal usually withering by flowering, long-petiolate, petioles sheathing, sparsely ciliate, blades lanceolate, 40–110 × (3–)5–7 mm, bases attenuate, margins entire to crenulate, rarely with 1–2 teeth, apices obtuse to rounded, callus-pointed;

proximalmost cauline sometimes withering by flowering, winged-petiolate or sessile distally, blades lanceolate to linear-lanceolate, 50–120(–180) × 1–6 mm, bases attenuate, margins entire, sparsely ciliate, apices acute;

distal sessile, blades subulate to lanceolate, 10–50 × 1–2 mm, bases clasping, apices acuminate.

thickish, margins entire or shallowly crenate, apices acute to ± obtuse, faces densely lanate-puberulent;

basal withering by flowering, petiolate, blades obovate to elliptic, 30–150 × 10–40 mm, bases cuneate to rounded, margins entire, ciliolate, apices acute, faces densely cinereous to lanate;

proximalmost cauline sometimes withering by flowering, subpetiolate or sessile, blades obovate-lanceolate to elliptic, 50–100 × 10–25(–35) mm, bases cuneate, clasping, ± auriculate, apices usually acute;

distal sessile, blades 20–60(–80) × 9–16(–20) mm, bases rounded to auriculate.

1–4(–6) cm, ascending, glabrate, bracts 1–4(–5), subulate to lanceolate, foliaceous.

densely lanate, bracts 1–8, elliptic, margins ciliolate, apices acute, puberulent.

cylindric to hemispheric, (4.5–)5–7.3 mm.

campanulate, 6–10 mm.

14–27;

corollas white, laminae (4.6–)5.6–7(–9.5)–10.3 × 1.3–2 mm.

18–40;

corollas violet, laminae (8–)12–20 × 1–2(–2.5) mm.

18–35(–42);

corollas yellow, 3.5–5 mm, tubes shorter than funnelform throats (hairy), lobes± spreading, triangular, 0.5–0.7 mm.

35–80+;

corollas yellow, 6–9 mm, lobes triangular, 0.4–1 mm.

in 2–3(–5) series, subulate to lanceolate, bases indurate, margins hyaline, entire to erose, often ciliate, green zones linear-lanceolate (outer) or rhombic (inner), apices acute, faces glabrous [sparsely villous].

in 4–6 series, oblanceolate (outer) to linear (inner), unequal, bases scarious (outer sometimes foliaceous), margins slightly scarious, entire, green zones obovate to elliptic, apices acute, faces densely lanate to cinereous.

(1–)3–20(–40), in paniculiform arrays, branches patent.

in paniculiform, very leafy arrays, branches 4–10(–20) cm.

light brown to gray, narrowly obovoid to fusiform, sometimes ± compressed, 2–3 mm, 5-nerved, faces glabrate to sparsely strigillose;

pappi white to cream, 3.5–5.5 mm.

brown, cylindric to obovoid, not compressed, 3.5–4.5 mm, 4–5-nerved, faces sparsely hairy;

pappi tawny, (6–)7–9 mm.

= 10.

= 80.