Flora of North America species comparison

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

1–5+, erect, straight, moderately hairy in arrays.

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 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.

2–3.5 mm, bracteoles 0–4, linear.

1–5 mm, moderately strigose;

bracteoles linear, 0–2.

narrowly campanulate, 2.6–5.8 mm.

campanulate 6.4–8.5(–9) mm.

5–11;

laminae 2.8–5.5 × 0.3–0.7 mm.

5–8;

laminae 2.3–4.5 × 1–1.5 mm.

3–10; 2.5–4.6 mm, lobes 0.4-0.6 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 series, ovate to linear-lanceolate, unequal, outer acute, inner obtuse.

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.

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

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

(obconic) 0.5–2 mm, strigose;

pappi 2–4 mm.

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

pappi (3.4–)4–5 mm.

= 90.