Flora of North America species comparison

1 or 2–4, clustered (proximally deeply purple-tinged, distally lightly tinged), glabrous or tomentose at bases and in leaf axils.

1 or 2–3, clustered, floccose-tomentose proximally and in leaf axils, otherwise sparsely tomentose or glabrescent.

(and proximal cauline) petiolate;

blades obovate or lyrate (pinnately lobed, lateral lobes 2–6+ pairs, their bases petioluliform, terminal lobes larger than laterals, midribs narrowly winged), 60–160+ × 20–40+ mm, bases wide, ultimate margins sharply dentate, crenate-dentate, or irregularly incised.

(and proximal cauline) petiolate;

blades narrowly elliptic to elliptic-ovate or oblanceolate to suborbiculate or sublyrate, 20–70+ × 10–30+ mm, bases tapering to rounded or abruptly contracted, margins subentire to crenate, serrate-dentate, or pinnately lobed (abaxial faces floccose-tomentose, especially along midribs, ± glabrescent).

gradually reduced (petiolate or sessile; shallowly lobed, midribs ± winged, distals bractlike, dentate to incised).

gradually reduced (petiolate, sublyrate or pinnatisect, abaxial faces sparsely hairy; distals sessile, subentire to irregularly dissected).

ebracteate, glabrous.

conspicuously bracteate, sparsely to densely tomentose.

(8–)13;

corolla laminae 6–10+ mm.

8–10;

corolla laminae 9–10 mm.

60–70+;

corolla tubes 2–3 mm, limbs 3.5–4.5 mm.

60–70+;

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

(13–)21, green (tips yellow), 5–7 mm, glabrous (tips sometimes hairy).

13 or 21, green (tips sometimes cyanic), 5–6+ mm, densely tomentose proximally, glabrescent distally.

inconspicuous.

inconspicuous.

15–40+ in open, cymiform arrays.

6–20+ in open or congested, corymbiform arrays.

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

1.5–2.5 mm, usually hirtellous, sometimes glabrous;

pappi 6.5–7.5 mm.

= 92.

= 46, 92.