Flora of North America species comparison

puberulent, glabrescent.

puberulent, glabrescent.

basal and cauline;

blades ovate-lanceolate (basal) to narrowly lanceolate (distal), 5–12+ cm × (5–)12–25+ mm, l/w = 3–5 (basal) or 8–17 (distal), abaxially glabrate (pitted, awl-shaped hairs in pits), adaxially puberulent and/or scabrellous.

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).

1–35 mm.

(3–)10–35 mm.

± obconic to hemispheric, 4.5–6 × 5–7 mm.

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

12–24+.

10–25+.

35–45+ in 5–6+ series, glabrescent, margins arachno-ciliolate, the outer lance-deltate, 1–32 mm, inner oblong to linear, 4–5(–6) mm, tips acute or rounded-apiculate.

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.

in open, paniculiform-scorpioid arrays.

in corymbiform arrays.

2–3 mm;

pappi usually whitish to stramineous (rarely purplish), outer scales or bristles 20+, 0.3–1+ mm, contrasting or intergrading with 20+, 6–7+ mm inner subulate scales or bristles.

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.

= 34.

= 34.