Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1 usually, erect, round, proximally glabrous, strigose in arrays.

basal petioles 3–5 cm, blades oblanceolate or spatulate to ovate or rotund, 2–4 cm (excluding petioles);

cauline (numerous) subsessile or sessile, blades elliptic or lance-elliptic to ovate, mid mostly 25–50(–65) × 10–25 mm, distal much reduced;

branch leaf petioles 1 mm, blades ovate, 5–15 (excluding petioles) × 2–10 mm.

basal and proximal cauline tapering abruptly to winged, thin petioles, blades broadly ovate, 100–300 × 30–100 mm, margins sharply serrate, apices acute to acuminate, adaxial faces glabrous or slightly scabrous, or sometimes strigose or strigillose;

mid to distal cauline sessile, lanceolate, 50–72 × 10–14 mm, reduced distally, becoming entire.

linear, 1–3 mm, bracteate.

1.5–3 mm, glabrous or moderately short hispido-strigose, bracteoles 1–5, lanceolate-oblong, often grading into phyllaries.

narrowly campanulate, 3–5 mm.

2.5–4.5(–5) mm.

0(–2).

2–8;

laminae 4–4.5 × 0.4–0.6 mm.

4–8;

corollas 3 mm, lobes 1 mm.

8–20;

corollas 3.5–4 mm, lobes 0.6–1.5 mm.

in 3–4 series, lanceolate, strongly unequal, margins ciliate, apices acute, glabrous.

in 3–4 series, unequal;

outer ovate, acute, inner linear-oblong, ciliate, obtuse.

75–200 in open paniculiform arrays, branches divaricate, ascending to recurved, weakly to strongly secund, to 50 cm, secondary branches less than 3 cm.

25–250, secund, in open, leafy, paniculiform arrays with recurved branches (sometimes elongate), branches and peduncles hairy.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

1.5–2 mm, distinctly ridged, glabrous or strigose distally;

pappi 3–3.5 mm.

= 18.