Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

single (sometimes purplish brown, ridged), glabrous, strigose distally 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 tapering to winged petioles, blades (basal) spatulate, 20–40 mm, (proximal) obovate to oblanceolate or elliptic, 60–150(–200) × 30–55 mm, margins serrate (teeth shallow to 5 mm), ciliate, acute to obtuse, acuminate or mucronate, faces abaxially glabrate to sparsely strigose, especially on nerves, adaxially glabrous;

mid and distal cauline sessile, lancelate or oblanceolate to elliptic, 30–100 × 20–40 mm, reduced distally, margins serrate to entire distally.

linear, 1–3 mm, bracteate.

1–3 mm, strigose;

bracts and bracteoles lanceolate to ovate, grading into phyllaries.

narrowly campanulate, 3–5 mm.

campanulate, ca. 5 mm.

0(–2).

ca. 6–10;

laminae 1.5–2.5 × 0.5 mm.

4–8;

corollas 3 mm, lobes 1 mm.

ca. 10;

corollas 3.5–5 mm, lobes 1–1.5 mm.

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

in 3–4 series, appressed, strongly unequal, outer grading from ovate bracteoles, mid oblong, rounded, inner linear-oblong, acute, glabrous.

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

20–180+ (1–6 per branch), in leafy wand-paniculiform arrays (2–)10–20(–40) cm, lateral branches usually not exceeding subtending leaf bracts.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

(narrowly obconic) 2.5–3 mm, moderately strigillose;

pappi ca. 4 mm (sometimes weakly clavate).

= 18.

= 36.