Flora of North America species comparison

greenish, much branched, strigillose.

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

to 11 mm.

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

3–6;

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

18–24;

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

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

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

pappi 0 or of (1–)2(–4) unequal awns.

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

= 42.