Flora of North America species comparison

puberulent to ± tomentose.

glabrous.

mostly cauline;

blades elliptic to lance-ovate or lanceolate, 8–15(–18+) cm × 20–45(–75+) mm, l/w = 2–5, abaxially usually puberulent to tomentose or pannose (hairs ± erect, ± curled), seldom glabrate, resin-gland-dotted, adaxially scabrellous, glabrescent, not resin-gland-dotted.

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.

1–25 mm.

1–8(–15) mm.

broadly campanulate to hemispheric, 4–6(–8+) × 4–7+ mm.

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

(15–)20–25(–35+).

15–25+.

45–65+ in 5–6 series, usually puberulent (often resin-gland-dotted distally), sometimes glabrescent, margins ciliolate, the outer lance-ovate, 1–2 mm, inner oblong to lanceolate, 5–8+ mm, tips rounded-apiculate to acute (sometimes recurved).

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-scorpioid arrays.

in paniculiform-scorpioid arrays.

2.5–3 mm;

pappi fuscous to purplish, outer scales 25–30, 0.2–1 mm, contrasting with 35–40+, 5–7+ mm inner 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.