Flora of North America species comparison

greenish, much branched, strigillose.

yellowish, much branched, strigose.

blades 1- or 3-nerved (some larger leaves), linear, 10–30 × 2–3 mm, strigose to scabrous.

blades 1- or 3-nerved, linear, 15–30 × 1–4 mm, strigose.

to 11 mm.

to 25 mm.

narrowly campanulate to cylindric, 5–8 × 5–8 mm.

broadly cylindric, 8–10 × 8–10 mm.

3–6;

corollas bright yellow, laminae ovate to orbiculate, mostly 10–18 mm.

0 or 5–8;

corollas yellow, laminae suborbiculate to ovate, 0–6(–9) mm.

18–24;

corollas red or green, to 10 mm, lobes 1 mm.

ca. 20;

corollas reddish, 5.5–6.2 mm, lobes 1 mm.

oblong, often becoming scarious, glabrous or appressed-hairy distally, apices obtuse, erose-ciliate (red-tipped).

round to oblong, becoming scarious, appressed-hairy distally, apices rounded, ciliate.

4–5 mm, 3-angled (ray) or angular or compressed (disc), ribbed, scabrellous;

pappi 0 or of (1–)2(–4) unequal awns.

7–8 (ray) or 3–6 mm (disc), 3-angled (ray) or compressed (disc), ribbed, distally ciliate or scabrellous;

pappi usually of 2 or 3 equal or unequal awns.

yellowish (often red-tipped), apices obtuse, erose.

yellowish (often red-tipped), apices obtuse, erose.

= 42.

= ca. 48, ca. 84.