Flora of North America species comparison

greenish, much branched, strigillose.

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

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

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

to 11 mm.

10–50(–70) mm.

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

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

3–6;

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

6–15(–21);

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

18–24;

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

12–50;

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

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

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

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

pappi 0 or of (1–)2(–4) unequal awns.

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

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

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

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

= 42.

= 24.