Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

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

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 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.

linear, 1–3 mm, bracteate.

0.5–2 mm;

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

narrowly campanulate, 3–5 mm.

narrowly campanulate, 3–5 mm.

0(–2).

4–7;

laminae 2–3.5 × 0.2–0.7 mm.

4–8;

corollas 3 mm, lobes 1 mm.

4–6;

corollas 3 mm, lobes 1 mm.

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

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

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

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

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

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

pappi 3 mm.

= 18.

= 18, 36.