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.

usually 1, rarely 2–3, loosely clustered, 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 ovate, obovate, or elliptic, 20–40+ × 10–30+ mm, bases tapering to contracted, margins subentire to crenate-dentate.

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

abruptly reduced (sessile, often weakly clasping, dentate to subentire; distals sessile, lanceolate, weakly clasping, entire or dentate).

ebracteate, glabrous.

sparsely bracteate or ebracteate, glabrous.

(8–)13;

corolla laminae 6–10+ mm.

13;

corolla laminae 7–12+ mm.

60–70+;

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

40–55+;

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).

(13–)21, green (tips sometimes cyanic), 5–8+ mm, glabrous.

inconspicuous.

(bractlets frequently cyanic).

15–40+ in open, cymiform arrays.

1(–5; sometimes subtended by 2 relatively large bractlets).

1.5–2 mm, glabrous or ± scabrellous;

pappi 5.5–6.5 mm.

1.5–2.5 mm, glabrous;

pappi 4–6 mm.

= 92.

= 46, 90.