Flora of North America species comparison

1 or 2–3, clustered, glabrous or leaf axils tomentose.

1 or 3–4+, clustered, sparsely tomentose to glabrescent.

(and proximal cauline) petiolate;

blades broadly oblanceolate (pinnately lobed, lateral lobes 2–3+ pairs, their bases petioluliform, terminal lobes larger than laterals, ovate to reniform, midribs not winged), 60–120+ × 20–60 mm, bases contracted, ultimate margins crenate to crenate-dentate.

(and proximal cauline, relatively thick and turgid) petiolate;

blades narrowly elliptic or lanceolate to oblanceolate, 40–70+ × 5–20+ mm, bases tapering, margins entire or subentire to weakly and irregularly dentate (especially at apices).

gradually reduced (petiolate or sessile; lyrate to sublyrate, midribs winged, terminal lobes weakly distinct, shallowly dentate).

gradually reduced (distal sessile, bractlike).

inconspicuously bracteate, glabrous or tomentose proximally.

bracteate (bractlets usually red-tipped), sparsely tomentose to glabrate.

8;

corolla laminae 6–12 mm.

5 or 8;

corolla laminae 12–16 mm.

35–50+;

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

50–60+;

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

13, bright green (tips light green to yellow), 4–7 mm, glabrous.

13 or 21, dark green proximally, becoming light green distally (tips red), 7–11+ mm, floccose-tomentose proximally.

inconspicuous.

conspicuous (bractlets red-tipped).

3–8+ in subumbelliform or compound, cymiform arrays (of 2–4+ cymiform clusters of 2–5+ heads each).

5–12+ in open, cymiform arrays.

1.5–2 mm, glabrous;

pappi 4.5–5.5 mm.

2.5–3.5 mm, glabrous;

pappi 7–8 mm.

= 46.

= 92.