Flora of North America species comparison

1, glabrous or sparsely tomentose.

1 or 3–5, loosely clustered, glabrous or bases and leaf axils tomentose.

(and proximal cauline) petiolate;

blades ovate, oblanceolate, or spatulate, 10–30 × 5–20 mm, bases tapering, sometimes obtuse, margins entire, subentire, or dentate.

(and proximal cauline, relatively thick and turgid) petiolate (petioles sometimes winged);

blades elliptic-ovate or suborbiculate to spatulate, 15–25 × 5–20 mm, bases tapering, margins entire or dentate (at apices).

abruptly reduced (sessile, clasping; bractlike, entire).

abruptly reduced (becoming sessile, bractlike).

bracteate (bractlets red-tinged), densely lanate-tomentose.

ebracteate, glabrous.

(8–)13;

corolla laminae 6–10+ mm.

(0) or 8–13;

corolla laminae 7–9 mm.

35–50+;

corolla tubes 2.5–3.5 mm, limbs 3–4 mm.

35–50+;

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

(13–)21, green (tips red or dark red), densely tomentose proximally.

13, cyanic, 8–9 mm, glabrous or loosely tomentose proximally.

conspicuous (bractlets narrow, red-tinged).

inconspicuous.

1–4+ in corymbiform arrays.

1–2(–4).

1.5–2 mm, glabrous;

pappi 5–6 mm.

1–2 mm, glabrous;

pappi 3–4.5 mm.

= 46.