Flora of North America species comparison

1, glabrous or sparsely tomentose.

1 or 3–4+, clustered, sparsely tomentose to glabrescent.

(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;

blades narrowly elliptic or lanceolate to oblanceolate, 40–70+ × 5–20+ mm, bases tapering, margins entire or subentire to weakly and irregularly dentate (especially at apices).

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

gradually reduced (distal sessile, bractlike).

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

bracteate (bractlets usually red-tipped), sparsely tomentose to glabrate.

(8–)13;

corolla laminae 6–10+ mm.

5 or 8;

corolla laminae 12–16 mm.

35–50+;

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

50–60+;

corolla tubes 3.5–4.5 mm, limbs 4.5–5.5 mm.

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

13 or 21, dark green proximally, becoming light green distally (tips red), 7–11+ mm, floccose-tomentose proximally.

conspicuous (bractlets narrow, red-tinged).

conspicuous (bractlets red-tipped).

1–4+ in corymbiform arrays.

5–12+ in open, cymiform arrays.

1.5–2 mm, glabrous;

pappi 5–6 mm.

2.5–3.5 mm, glabrous;

pappi 7–8 mm.

= 46.

= 92.