Flora of North America species comparison

greenish, becoming purplish or yellowish, unbranched or sparingly branched distal to bases, strigose.

greenish, becoming yellowish to purplish, unbranched or sparingly branched distal to bases, hirsute to strigose or scabrous.

blades 3–5-nerved, ovate to elliptic or broadly lanceolate, 25–70 × 8–35 mm, scabrellous.

blades 3–5-nerved, ovate to oblong, mostly 60–100 × 20–60 mm, scabrellous to glabrate.

10–50(–70) mm.

to 85 mm.

narrowly to broadly campanulate, 9–18 × 10–20 mm.

± hemispheric or broader, 10–15 × 5–25 mm.

6–15(–21);

corollas usually scarlet red or maroon, sometimes yellow, laminae linear to spatulate, 8–25 mm.

8–21 (more in “double” cultivars);

corollas usually red (white, yellow, or purple in cultivars), laminae spatulate to obovate, 10–35 mm.

12–50;

corollas yellow, 5–6 mm, lobes ca. 1 mm.

100–150+;

corollas yellow, 7–9 mm, lobes 1–2.5 mm.

obovate to oblong, becoming scarious, glabrous, apices rounded, usually entire or erose, sometimes ciliate.

obovate, becoming scarious, glabrous or sparsely hairy, apices rounded, erose or fimbriate.

7–10 mm, 3-angled (ray) or compressed (disc), ribbed, ciliate;

pappi usually of 1 stout awn 4–6 mm (from shoulders of cypselae).

6–10 mm, 3-angled (ray) or ± compressed (disc), not or faintly ribbed, ciliolate;

pappi 0.

red to purple or yellow, apices obtuse, erose or subentire.

red to purple, apices rounded to acute, fimbriate.

= 24.

= 24.