Flora of North America species comparison

usually 1, rarely 2–3, clustered, glabrous.

1 (often purplish), sparsely lanate or arachno-tomentose, glabrescent.

(and proximal cauline) petiolate (petioles narrow);

blades narrowly lanceolate or ovate to oblong-ovate, 20–60+ × 10–40+ mm, bases abruptly contracted to tapering, margins subentire to crenate-dentate.

petiolate;

blades lyrate to sublyrate (midribs winged) or ovate to orbiculate, 10–20+ × 30–50+ mm, bases tapering to contracted, ultimate margins ± dentate (faces glabrate at flowering).

gradually reduced (sessile, weakly clasping; lanceolate to oblong or sublyrate, often pinnately lobed).

gradually reduced (sessile; usually bractlike and entire, sometimes larger and pinnatifid).

ebracteate or bracteate (bractlets inconspicuous), glabrous.

conspicuously bracteate (bractlets red-tipped), densely lanate-tomentose.

8 or 13;

corolla laminae (deep yellow to orange-red) 6–8+ mm.

8 or 13;

corolla laminae 5–10 mm.

60–80+;

corolla tubes 4.5–5.5 mm, limbs 2.5–3.5 mm.

30–40+;

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

13 or 21, light green (or tips cyanic), 4–8 mm, glabrous.

13 or 21, purplish, 6–9 mm, sparsely tomentose.

0 or inconspicuous.

conspicuous (bractlets reddish or purple).

7–15+ in open, corymbiform arrays.

borne singly or 2–6 in compact, cymiform arrays.

1–1.5 mm, glabrous;

pappi 3–5 mm.

1.5–2 mm, glabrous;

pappi 5–6 mm.

= 46.

= 46.