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 2–5 (often scapiform), loosely 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 obovate to ovate or sublyrate, 30–60+ × 10–40+ mm, bases tapering, margins deeply dissected or pinnatifid, ultimate margins crenate to crenate-dentate.

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

abruptly reduced or 0 (sessile; ovate to obovate, dissected or pinnatifid).

ebracteate, glabrous.

inconspicuously bracteate or ebracteate, glabrous.

(8–)13;

corolla laminae 6–10+ mm.

5 or 8;

corolla laminae 5–10 mm.

60–70+;

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

20–30+;

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

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

(8–)13, light green (tips yellowish), 4–7 mm, glabrous.

inconspicuous.

0 or inconspicuous.

15–40+ in open, cymiform arrays.

4–10+ in subumbelliform cymiform arrays.

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

1–1.5 mm, glabrous;

pappi 4–4.5 mm.

= 92.

= 40.