Flora of North America species comparison

1, densely lanate-tomentose proximally, floccose-tomentose to glabrescent distally.

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

(and proximal cauline) petiolate;

blades lanceolate to narrowly ovate or elliptic, 40–120+ × 20–50+ mm, bases tapering, sometimes oblique, margins subentire, crenate, or serrate-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, weakly clasping; dentate to pinnately lobed).

gradually reduced (distal sessile, bractlike).

bracteate, sparsely to densely tomentose.

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

10 or 13;

corolla laminae 6–8+ mm.

5 or 8;

corolla laminae 12–16 mm.

50–60+;

corolla tubes 3.5–4 mm, limbs 3–3.5 mm.

50–60+;

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

13 or 21, light green, 5–8 mm, usually glabrous (sometimes hairy proximally).

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

inconspicuous.

conspicuous (bractlets red-tipped).

10–30+ in open, corymbiform arrays (more in robust individuals).

5–12+ in open, cymiform arrays.

1–1.5 mm, hispid;

pappi 5–7 mm.

2.5–3.5 mm, glabrous;

pappi 7–8 mm.

= 46.

= 92.