Flora of North America species comparison

1–5+, ascending to erect, glabrous or puberulent.

1–5, ascending to erect, sparsely hispid distally.

thin, margins entire, apices acute, faces glabrous or puberulent;

basal often withering by flowering, petiolate, blades broadly elliptic to obovate, 5–200 × 10–35 mm, attenuate or cuneate, margins entire, apices acute;

proximalmost cauline sometimes withering by flowering, sessile, blades oblanceolate to obovate, 70–120 × 15–50 mm, bases strongly clasping, enlarged and usually narrowed distally, usually prominently auriculate, margins entire, apices acute;

distal sessile, blades lanceolate to broadly elliptic, 30–110 × 10–30 mm, bases truncate or auriculate, margins entire.

thin, margins entire to serrate, apices acute, faces scabrous;

basal withering by flowering, petiolate, blades elliptic to obovate 30–300 × 15–50 mm, attenuate, margins entire to serrate, apices acute, faces rough-hispidulous;

proximalmost cauline sometimes withering by flowering, sessile, blades elliptic to obovate, 100–200 × 20–50 mm, bases rounded to ± clasping, sometimes auriculate, apices acute;

distal sessile, blades 20–150 × 10–40 mm, bases cuneate, usually auriculate, apices acute.

sparsely to densely cinereous, bracts lanceolate.

sparsely hairy, bracts lanceolate to linear.

campanulate, 10–20 mm.

campanulate, 5–8 mm.

25–55;

corollas violet, laminae 10–18 × 1–2 mm.

15–40;

corollas violet, laminae 8–15 × 1–2 mm.

60–150+;

corollas yellow, 2.5–4 mm, lobes triangular, 0.4–0.5 mm.

35–60+;

corollas yellow, 3.5–4 mm, lobes triangular, 0.5–0.8 mm.

in 4–5 series, broadly to narrowly lanceolate or oblanceolate (outer) to linear (inner), ± equal or outer slightly exceeding inner, bases outer foliaceous, inner scarious, margins scarious, entire or erose, green zones elliptic to lanceolate, apices acute, faces glabrous or finely hairy.

in 4–6 series, narrowly oblong (outer) to linear (inner), unequal to subequal, bases scarious, margins scarious, entire, green zones lanceolate to narrowly elliptic, apices acute, faces glabrate or puberulent.

borne singly or in often congested, paniculiform arrays, branches 20–30 cm.

in paniculiform arrays, branches 10–30 cm.

brown, cylindric to obovoid, not compressed, 3–3.5 mm, 3–6-nerved, faces hairy;

pappi white, 5–9(–11) mm.

brown, cylindric to obovoid, not compressed, 2.5–3.5 mm, 3–4-nerved, faces hairy;

pappi white, 3.5–4 mm.

= 16, 32.

= 16.