Flora of North America species comparison

1 or 2–5, clustered, usually glabrous, sometimes sparsely floccose-tomentose proximally and in leaf axils.

1 (often branched proximally, sometimes distally), sparsely to densely floccose-tomentose.

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

blades spatulate to oblanceolate, or ovate to orbiculate, 20–40+ × 10–30+ mm, bases tapering to abruptly contracted or subcordate, margins entire, crenate, dentate, or weakly lobulate (faces usually glabrous, sometimes hairy).

petiolate;

blades elliptic to oblanceolate or ovate, 20–80+ × 20–60+ mm, bases tapering, margins entire, crenate-serrate, or irregularly to pinnately lobed (abaxial faces white-tomentose, adaxials patchy tomentose to glabrate).

gradually to abruptly reduced (± petiolate or sessile; entire or subentire).

gradually to abruptly reduced (sessile; mids lanceolate to oblanceolate, irregularly serrate to pinnately lobed, distals bractlike).

bracteate, glabrous or sparsely tomentose.

bracteate, ± tomentose.

8 or 13;

corolla laminae 5–10 mm.

10–13+;

corolla laminae 8–12+ mm.

35–60+;

corolla tubes 2–4 mm, limbs 2.5–4 mm.

60–70+;

corolla tubes 1–1.5 mm, limbs 2–2.5 mm.

(8–)13 or 21, green (tips sometimes cyanic), 4–7+ mm, glabrous.

13 or 21, green (sometimes with purple streaks, tips usually purple), 4–8 mm, proximally tomentose, rarely glabrous.

conspicuous.

conspicuous (bractlets purple-tinged).

2–20+ in loose, corymbiform or subumbelliform arrays.

1(–3).

1–2.5 mm, glabrous;

pappi 3–6 mm.

1–1.5 mm, glabrous;

pappi 2.5–3 mm.

= 46, 92.

= 92.