Flora of North America species comparison

usually 1, rarely 2–3, clustered, irregularly arachnoid-tomentose to lanate-tomentose or glabrescent.

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

(and proximal cauline, relatively turgid) petiolate;

blades broadly ovate or lyrate (± pinnately lobed, lateral lobes 1–3 pairs, smaller than terminals), 10–30+ × 10–20+ mm, bases tapering to cuneate, ultimate margins subentire or crenate to coarsely dentate (abaxial faces tomentose).

(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.

gradually reduced (sessile; bractlike, entire).

gradually reduced (± petiolate or sessile, weakly clasping; dentate to pinnately lobed).

bracteate, irregularly tomentose.

bracteate, sparsely to densely tomentose.

8–13;

corolla laminae 8–10 mm.

10 or 13;

corolla laminae 6–8+ mm.

60–75+;

corolla tubes 2.5–4 mm, limbs 3.5–5 mm.

50–60+;

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

(8–)13 or 21, green, 7–10+ mm, densely tomentose proximally, glabrescent distally (tips hair-tufted).

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

inconspicuous.

inconspicuous.

3–6 in cymiform arrays.

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

2–2.5 mm, glabrous;

pappi 5–7 mm.

1–1.5 mm, hispid;

pappi 5–7 mm.

= 46.

= 46.