Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–5+, erect, straight, moderately 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 withering by flowering;

proximal cauline subpetiolate or sessile, tapering to broadly winged petiole-like bases, blades lanceolate, 110–180 × 2–35 mm, margins serrate (with 7–15 teeth), apices acuminate, abaxial faces sparsely hairy along nerves, adaxial glabrous or sparsely hairy;

distal cauline sessile, blades narrowly elliptic, 60–110 × 11–15 mm, margins entire to slightly serrate (teeth 0–6), apices acuminate-cuspidate, faces glabrous or sparsely hairy.

linear, 1–3 mm, bracteate.

1–5 mm, moderately strigose;

bracteoles linear, 0–2.

narrowly campanulate, 3–5 mm.

campanulate 6.4–8.5(–9) mm.

0(–2).

5–8;

laminae 2.3–4.5 × 1–1.5 mm.

4–8;

corollas 3 mm, lobes 1 mm.

(5–)6.2–8.1(–12);

corollas (2.8–)3–3.3(–3.9) mm, lobes (1.3–)1.5–1.8(–2.1) mm.

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

in 3–4 series, unequal, 3–10-nerved, acute to obtuse;

outermost linear-lanceolate to narrowly ovate, 1.7–2.4 mm, innermost linear-oblong, 4–6 mm.

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

80–400 (usually 4–10 per branch) in short axillary and terminal racemiform/paniculiform arrays 11–43 cm.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

(narrowly obconic) 1–1.7(–2) mm, moderately to densely strigillose;

pappi (3.4–)4–5 mm.

= 18.

= 90.