Flora of North America species comparison

1, glabrous or sparsely tomentose.

1, irregularly lanate or 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) petiolate;

blades orbiculate, ovate, oblanceolate, or rhombic, 20–50+ × 20–40+ mm, bases tapering, sometimes obtuse, margins coarsely dentate to crenate-dentate.

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

gradually to abruptly reduced (petioles broad-winged, clasping, blades obovate, bases tapering, margins irregularly dentate; distal sessile, linear to lanceolate, entire).

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

bracteate, lanate or tomentose distally.

(8–)13;

corolla laminae 6–10+ mm.

8–10(–13);

corolla laminae (red-orange) 8–15+ mm.

35–50+;

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

35–65+;

corolla tubes 4–5 mm, limbs 5–6 mm.

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

21, green (tips sometimes deep red), 8–10+ mm, densely tomentose proximally, sparsely tomentose distally.

conspicuous (bractlets narrow, red-tinged).

conspicuous.

1–4+ in corymbiform arrays.

1–3+.

1.5–2 mm, glabrous;

pappi 5–6 mm.

1.5–2.5 mm, glabrous;

pappi 8–11 mm.

= 46.

= 40, 46, 92.