Flora of North America species comparison

greenish to gray, much branched, pilose.

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

blades 1-nerved, linear to acerose, 8–20 × 1–2 mm, scabrous to glabrescent.

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

5–35 mm.

10–50(–70) mm.

campanulate, 3–5 × 5–7 mm.

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

4–7;

corollas usually white, sometimes pale yellow, laminae oblong to suborbiculate, 7–10 mm.

6–15(–21);

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

8–13;

corollas yellow or tinged with purple (drying reddish), 3–6 mm, lobes 1 mm.

12–50;

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

suborbiculate to oblong, becoming scarious proximally, appressed-hairy distally, apices obtuse, ciliate.

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

2.4–4 mm, 3-angled (ray) or compressed (disc), ribbed, strigose or distally ciliate;

pappi usually of 1–3 unequal awns, sometimes reduced to teeth.

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

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

uniformly yellow, apices obtuse, erose.

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

= 20, 40, or 22.

= 24.