Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–3+, erect (angular in cross section, sometimes winged on angles), glabrous or sparsely hairy 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 abruptly narrowed to long, winged petioles, blades broadly ovate, 100–300 × 40–100 mm, relatively thick, margins serrate, apices acute, abaxially glabrous, adaxially scabrous;

distal cauline sessile, blades lanceolate, 50–80 × 15–20 mm, gradually reduced distally, subentire.

linear, 1–3 mm, bracteate.

1–4 mm, sparsely hispido-strigose, bracteoles 2–5, lanceolate, grading into phyllaries distally.

narrowly campanulate, 3–5 mm.

3–4.5 mm.

0(–2).

5–12;

laminae 1.5–1.7 × 0.5 mm.

4–8;

corollas 3 mm, lobes 1 mm.

5–15;

corollas 2.8–3 mm, lobes 0.6–1.5 mm.

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

(10–12) in 3–4 series, ovate to linear-ovate, unequal, 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.

25–200, secund, in open, lax, secund, pyramidal, paniculiform arrays, branches ascending to recurved, often elongate with recurved ends.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

(sometimes mottled) 1.5–2 mm, strigillose;

pappi 2–3 mm.

= 18.