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 3–5, loosely clustered, glabrous or bases and leaf axils tomentose.

(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, relatively thick and turgid) petiolate (petioles sometimes winged);

blades elliptic-ovate or suborbiculate to spatulate, 15–25 × 5–20 mm, bases tapering, margins entire or dentate (at apices).

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

abruptly reduced (becoming sessile, bractlike).

ebracteate, glabrous.

ebracteate, glabrous.

(8–)13;

corolla laminae 6–10+ mm.

(0) or 8–13;

corolla laminae 7–9 mm.

60–70+;

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

35–50+;

corolla tubes 2–3 mm, limbs 2.5–3.5 mm.

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

13, cyanic, 8–9 mm, glabrous or loosely tomentose proximally.

inconspicuous.

inconspicuous.

15–40+ in open, cymiform arrays.

1–2(–4).

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

1–2 mm, glabrous;

pappi 3–4.5 mm.

= 92.