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, glabrous.

(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.

petiolate;

blades orbiculate-ovate, orbiculate, obovate, or subreniform, 30–80+ × 30–80+ mm, bases cordate to contracted, margins crenate, dentate, or wavy.

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

abruptly reduced (proximal petiolate or sessile and clasping, broadly lanceolate, irregularly incised or crenate; mid ones sessile, clasping, sometimes auriculate, oblong to hastate, irregularly dentate; distal bractlike, entire).

ebracteate, glabrous.

conspicuously bracteate, glabrous.

(8–)13;

corolla laminae 6–10+ mm.

usually 8+, rarely 0;

corolla laminae 8–11 mm.

60–70+;

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

30–45+;

corolla tubes 4–5 mm, limbs 6–7 mm.

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

13, light green, 5–9+ mm, glabrous.

inconspicuous.

conspicuous.

15–40+ in open, cymiform arrays.

3–8 in open, cymiform arrays.

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

1.5–2 mm, glabrous;

pappi 9–10 mm.

= 92.