Flora of North America species comparison

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

1 or 2–3, clustered, glabrous or leaf axils sparsely hairy.

(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).

(and proximal cauline) petiolate;

blades narrowly ovate to ovate (2–3 times pinnately dissected, ultimate lobes mostly linear to filiform), 50–80 × 30–50 mm, bases ± truncate or auriculate, ultimate margins entire or remotely dentate.

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

gradually reduced (petiolate or sessile, similar to basals).

bracteate, glabrous or sparsely tomentose.

bracteate or ebracteate, glabrous.

8 or 13;

corolla laminae 5–10 mm.

8–10(–13);

corolla laminae 8–12 mm.

35–60+;

corolla tubes 2–4 mm, limbs 2.5–4 mm.

35–50+;

corolla tubes 2–3 mm, limbs 1.5–2.5 mm.

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

(13–)21, green, 4–6 mm, glabrous (tips sometimes hair-tufted).

conspicuous.

0.

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

10–30+ in open, corymbiform arrays.

1–2.5 mm, glabrous;

pappi 3–6 mm.

0.75–1.5 mm, hairy on ribs;

pappi 3–4 mm.

= 46, 92.