Flora of North America species comparison

usually 1–3, ascending to erect, scabrous to loosely puberulent.

1–10+, ascending to erect, scabroso-puberulent at least in distal 1/2.

basal and proximal usually withering by flowering, tapering to long-winged petioles, blades oblanceolate, 30–100 × 7–20(–30) mm, margins serrate or crenate, mid usually largest, apices acute to obtuse, acuminate, faces scabrous;

mid and distal cauline subsessile (1 mm) or sessile, blades (sometimes ± shiny) elliptic to oblanceolate, 10–50 × 5–15(–25) mm, greatly reduced distally, grading into bracts, firm, bases convex-cuneate to rounded, margins finely serrate, often 3-nerved, nerves usually distinct abaxially, faces distinctly scabrous.

basal withering by flowering;

mid and distal cauline numerous;

subsessile or obscurely petiolate;

blades narrowly elliptic to lanceolate, 7–10 × 10–15 mm, firm, attenuate, margins distally serrate, eciliate, 3-nerved, apices acuminate or sharply acute, faces glabrous.

0.5–2 mm;

bracteoles 1–5, linear-lanceolate to ovate, minute, grading into phyllaries distally.

0.5–3 mm, sparsely strigose;

bracteoles linear, minute.

narrowly campanulate, 3–5 mm.

narrowly campanulate, 4–5 mm.

4–7;

laminae 2–3.5 × 0.2–0.7 mm.

5–8;

laminae 2–3 × 0.75 mm.

4–6;

corollas 3 mm, lobes 1 mm.

5–9;

corollas 3–3.5 mm, lobes 0.5 mm.

in 3–4 series, unequal, oblong, midnerves swollen distally, obtuse or acute to slightly acuminate.

in 3–4 series, lanceolate to linear lanceolate, unequal, apices obtuse, innermost acute.

20–260, in paniculiform arrays, narrowly to broadly secund, pyramidal, branches recurved, secund.

50–150, in paniculiform arrays, branches recurved, secund.

1.5–2.5 mm, sparsely to moderately short-strigose;

pappi 3 mm.

ca. 2 mm, moderately short-strigose;

pappi 2–3 mm.

= 18, 36.

= 36.