Flora of North America species comparison

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

1–20(–50+), stout, finely puberulent or scabrous-puberulent at least distally.

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 absent at flowering;

cauline sessile to short-petiolate;

blades usually lanceolate-elliptic or ovate, sometimes linear-lanceolate, 30–150 × 5–30 mm, thick and firm, margins entire or few toothed, somewhat to much reduced distally, abaxial faces sometimes resinous and shiny, glabrous or strigillose (hairs mostly 0.1–1.4 mm), adaxial glabrous or scabrous.

0.5–2 mm;

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

mostly 2–15 mm, bracteolate, sparsely to densely short hispid-strigose.

narrowly campanulate, 3–5 mm.

campanulate, 4.5–7.5 mm.

4–7;

laminae 2–3.5 × 0.2–0.7 mm.

(5–)7–9;

laminae 3–7 × 1–2 mm.

4–6;

corollas 3 mm, lobes 1 mm.

(8–)10–16;

corollas 4–5 mm, lobes ca. 1–2 mm.

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

in 3–4 series, unequal, linear-lanceolate, acute to attenuate, ± squarrose-tipped, glabrous or moderately strigose, sparsely to moderately stipitate-glandular, sometimes viscid.

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

10–190+ in paniculiform (rarely racemiform) arrays, usually elongate, usually leafy-bracteate, bracts similar to distal leaves but reduced;

branches stiffly ascending, not secund, sometimes elongate.

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

pappi 3 mm.

3–4 mm, glabrous or glabrate;

pappi ca. 4 mm.

= 18, 36.

= 18, 36, 54.