Flora of North America species comparison

1–6(–10), erect, short-canescent (hairs ascending to appressed).

1–10+, erect, scabroso-puberulent proximal to arrays distally, in strips proximal to leaves.

basal and proximal cauline tapering to long, winged petioles, blades spatulate-ovate to oblanceolate, 20–95 × 7–15 mm, margins crenate to entire, apices acute, faces densely puberulent;

mid and distal cauline (sometimes subtending axillary tufts of lateral branch leaves) sessile, blades linear-oblanceolate, 16–45 × 3–7 mm, reduced distally, margins entire.

basal 0;

mid and distal cauline sometimes numerous (75+), somewhat crowded, sessile, blades (dark green) linear-lanceolate to lanceolate, 25–150 × 2–15 mm, margins serrate to entire, scabroso-ciliate, 3-nerved, faces glabrous or with short hairs in lines along nerves.

2–3.5 mm, bracteoles 0–4, linear.

1–5 mm, sparsely to moderately strigillose;

bracteoles 1–3, linear-lanceolate.

narrowly campanulate, 2.6–5.8 mm.

narrowly campanulate, 3–5 mm.

5–11;

laminae 2.8–5.5 × 0.3–0.7 mm.

10–15;

laminae 2–3 × 0.1–0.6 mm.

3–10; 2.5–4.6 mm, lobes 0.4-0.6 mm.

6–10;

corollas 3–4 mm, lobes 0.6–1.1 mm.

in 3 series, ovate to linear-lanceolate, unequal, outer acute, inner obtuse.

in 3–4 series, strongly unequal (greenish), outer lanceolate, inner oblong-lanceolate, margins ciliate-fimbriate apically, midnerves swollen apically, apices obtuse to rounded, glabrous.

10–300, secund, in wandlike pyramidal, paniculiform arrays, secund to apically recurved, 8–25 × 2.5–10 cm, sometimes proximal branches elongate, repeating pattern.

50–350, in secund, usually elongate, pyramidal paniculiform arrays, branches recurved and secund.

(obconic) 0.5–2 mm, strigose;

pappi 2–4 mm.

(narrowly obconic) 1.1–1.5 mm (ribbed), sparsely strigillose;

pappi 2.5–3 mm.

= 18, 36, 54.