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, glabrous or leaf axils sparsely hairy.

(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 ovate to ovate (2–3 times pinnately dissected, ultimate lobes mostly linear to filiform), 50–80 × 30–50 mm, bases ± truncate or auriculate, ultimate margins entire or remotely dentate.

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

gradually reduced (petiolate or sessile, similar to basals).

ebracteate, glabrous.

bracteate or ebracteate, glabrous.

(8–)13;

corolla laminae 6–10+ mm.

8–10(–13);

corolla laminae 8–12 mm.

60–70+;

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

35–50+;

corolla tubes 2–3 mm, limbs 1.5–2.5 mm.

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

(13–)21, green, 4–6 mm, glabrous (tips sometimes hair-tufted).

inconspicuous.

0.

15–40+ in open, cymiform arrays.

10–30+ in open, corymbiform arrays.

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

0.75–1.5 mm, hairy on ribs;

pappi 3–4 mm.

= 92.