Flora of North America species comparison

puberulent, glabrescent.

glabrous.

mostly cauline;

blades narrowly lanceolate to lance-linear, 5–15+ cm × (2.5–)8–12+ mm, l/w = 8–20(–30+), abaxially glabrate (pitted, awl-shaped hairs in pits), adaxially puberulent, glabrescent (sometimes pitted).

mostly cauline;

blades ± lanceolate, 10–25(–30+) cm × 15–35(–60+) mm, l/w = 5–7+, abaxially puberulous, not resin-gland-dotted, adaxially scabrellous, glabrescent, not resin-gland-dotted.

(3–)10–35 mm.

1–8(–15) mm.

narrowly campanulate, (7–)9–11 × 5–6 mm.

broadly campanulate to hemispheric, 4–5+ × 4–5 mm.

10–25+.

15–25+.

35–40+ in 5–6+ series, glabrescent, margins arachno-ciliolate, the outer lance-ovate, 1–2 mm, inner oblong to linear-oblong, 6–9+ mm, tips ± acuminate.

30–45+ in 5–6 series, glabrescent, margins ciliolate, the outer lance-ovate, 1–3 mm, inner lance-oblong to oblong, 3.5–5 mm, tips rounded.

in corymbiform arrays.

in paniculiform-scorpioid arrays.

4–5 mm;

pappi stramineous to purplish, outer subulate scales or bristles 30+, 0.6–2+ mm, intergrading with 40+, 8–9+ mm inner subulate scales or bristles.

3–3.5 mm;

pappi stramineous to whitish, outer scales 25–35, 0.8–1.1 mm, contrasting with 35–45+, 5–6+ mm inner bristles.

= 34.

= 34.