Flora of North America species comparison

usually 1, rarely 2–3, clustered, glabrous.

1 or 2–6+, clustered (bases cyanic), glabrous or leaf axils sparsely tomentose.

(and proximal cauline) petiolate (petioles narrow);

blades narrowly lanceolate or ovate to oblong-ovate, 20–60+ × 10–40+ mm, bases abruptly contracted to tapering, margins subentire to crenate-dentate.

(and proximal cauline) petiolate;

blades oblanceolate to spatulate (usually pinnately lobed, lateral lobes 1–6+ pairs, their bases petioluliform, terminal lobes usually larger than laterals, often reniform to ± orbiculate, midribs sometimes ± winged and/or toothed between the primary lobes), 40–120+ × 10–30+ mm, bases ± cuneate, ultimate margins subentire or irregularly crenate, dentate, or lobed.

gradually reduced (sessile, weakly clasping; lanceolate to oblong or sublyrate, often pinnately lobed).

gradually reduced (± petiolate or sessile, clasping; often auriculate, pinnately dissected to pinnately lobed).

ebracteate or bracteate (bractlets inconspicuous), glabrous.

bracteate, glabrous.

8 or 13;

corolla laminae (deep yellow to orange-red) 6–8+ mm.

8 or 13;

corolla laminae 3–7 mm.

60–80+;

corolla tubes 4.5–5.5 mm, limbs 2.5–3.5 mm.

30–45(–100+);

corolla tubes 1.5–2.5 mm, limbs (1.5–)2.5–3.5 mm.

13 or 21, light green (or tips cyanic), 4–8 mm, glabrous.

13 or 21, green (tips sometimes reddish), 3–7 mm, glabrous.

0 or inconspicuous.

inconspicuous or 0.

7–15+ in open, corymbiform arrays.

4–25+ in corymbiform arrays.

1–1.5 mm, glabrous;

pappi 3–5 mm.

1–1.5 mm, hirtellous on ribs;

pappi 3–5 mm.

= 46.

= 46.