Flora of North America species comparison

sparsely appressed-puberulent, glabrescent.

tomentose to pannose.

mostly cauline;

blades (mid stem) lance-linear to filiform, 5–12 cm × 2–4(–8+) mm, l/w = (8–)12–30(–60+), abaxially glabrous but for scattered hairs on midribs or scabrellous (hairs awl-shaped), resin-gland-dotted or not, adaxially scabrellous.

mostly cauline;

blades linear, 5–9(–12+) cm × 3–5(–8+) mm, l/w = 16–32, abaxially tomentose, adaxially densely sericeo-tomentose.

8–25 mm.

10–60 mm.

± campanulate to obconic, 5–7(–10) × 4–6(–9) mm.

± hemispheric, 8–12 × 7–12 mm.

12–20(–30).

40–50+.

22–45+ in 5–6 series, sparsely scabrellous, glabrescent, margins ciliolate, the outer lanceolate to subulate, 1.5–3 mm, inner lance-ovate to lanceolate, 5–9+ mm, tips acuminate to subulate.

50–60+ in 5–6+ series, sericeo-tomentose to pannose, including margins, the outer lance-deltate, 1–3 mm, the inner lanceolate, 7–11+ mm, tips acute.

in ± corymbiform to paniculiform arrays.

in corymbiform arrays.

2.5–3 mm;

pappi stramineous to purplish, outer scales 25–30, 0.5–1.2+ mm, contrasting with 35–40+, 5.5–6+ mm inner bristles.

3.5–4+ mm;

pappi stramineous, outer subulate scales or bristles 20+, 0.6–1.5+ mm, intergrading with 30+, 6–7+ mm inner subulate scales or bristles.

= 34.

= 34.