Flora of North America species comparison

sparsely appressed-puberulent, glabrescent.

glabrous.

mostly cauline;

blades lanceolate to oblanceolate, 10–15(–18+) cm × 30–45(–70+) mm, l/w = 2.5–3.5(–4), abaxially scabrellous (hairs awl-shaped), resin-gland-dotted or not, adaxially glabrous or sparsely puberulent.

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.

2–35 mm.

1–8(–15) mm.

± hemispheric, 5–8 × 7–8 mm.

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

30–45+.

15–25+.

40–60 in 5–6 series, sparsely puberulent to tomentulose, glabrescent, margins ciliolate, the outer lance-deltate to subulate, 1–3 mm, inner oblong, 4–7+ mm, tips acuminate to subulate or filiform.

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 to paniculiform arrays.

in paniculiform-scorpioid arrays.

3–4 mm;

pappi stramineous to whitish, outer subulate scales or bristles 30, 0.5–1.5+ mm, intergrading with 30+, 6–8 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.