Flora of North America species comparison

1 or multiple (crowded to subcespitose), floccose-tomentose or glabrescent.

1 or 2–5+, clustered, lanate- or arachno-tomentose or glabrescent.

petiolate;

blades lanceolate to oblanceolate, 30–60+ × 10–30+ mm, bases tapering, margins shallowly, evenly pinnatifid to pinnatisect or wavy (adaxial faces floccose-tomentose or subglabrescent).

(often abaxially cyanic) petiolate (petioles hairy to glabrate);

blades ovate to lanceolate or narrowly lanceolate, 20–60+ × 10–30+ mm, bases abruptly contracted to tapering, margins subentire or denticulate to subserrate (abaxial faces usually tomentose, adaxials frequently glabrate).

gradually reduced (sessile; lanceolate to oblanceolate, pinnatisect to wavy).

gradually or abruptly reduced (proximal petiolate, similar to basals; mids and distals sessile, lanceolate, entire).

bracteate, densely to irregularly floccose.

conspicuously bracteate, usually hairy.

6–8+;

corolla laminae 5–7 mm.

(5–)8 or 13;

corolla laminae 4–10 mm.

30–40+;

corolla tubes 2.5–3 mm, limbs, 2.5–3.5 mm.

40–60+;

corolla tubes 1.5–2.5 mm, limbs 3.5–4.5 mm.

13, green, 5–7 mm, floccose proximally to glabrescent distally.

13 or 21, green or yellowish, 4–7+ mm, tomentose to glabrescent.

0 or inconspicuous (bractlets red-tinged).

conspicuous.

6–25+ in open or compact, corymbiform arrays.

3–20+ in open or compact, corymbiform to subumbelliform arrays (subtended by smaller arrays arising from leaf axils).

2.5–3 mm, glabrous;

pappi 4–5 mm.

1.5–2.5 mm, usually hirtellous on ribs, sometimes glabrous;

pappi 5–6+ mm.

= 46.

= 44, 46, 92.