Flora of North America species comparison

1–4, green throughout to often purple-red-tinted proximally to purple-red-tinted throughout, branched distally, glabrous or ± hairy.

1–25, usually purple-red-tinted proximally, sometimes throughout, often branched throughout, ± hairy.

blades simple, glabrous or ± hairy, gland-dotted;

mid leaves simple.

blades simple or lobed (lobes 3–19+), ± hairy, gland-dotted;

mid leaves lobed (lobes 5–11+, terminal lobes 0.3–1 mm wide).

3–16 cm, ± hairy, tomentose distally near involucres.

2–12 cm, sparsely hairy.

hemispheric to broadly campanulate, 12–17 × 19–26 mm.

subhemispheric to campanulate to ± urceolate, 6–10 × 7–12.5 mm.

14–26;

corollas usually yellow-orange to orange, 21–45 × 4.2–8.5 mm.

8–13;

corollas yellow, 8.5–11 × 3–5.5 mm.

100–325+;

corollas 4.2–5.4 mm.

50–150+;

corollas 2.6–4.1 mm.

in 2 series, subequal;

outer 16–24, basally connate 1/4–1/3 their lengths, ovate to lanceolate, 11–16 mm, apices acute;

inner 20–26, obovate to elliptic, 7.5–8.5 mm, apices acuminate to acute.

in 2 series, unequal;

outer 8–13, basally connate 1/4–1/3 their lengths, obovate to oblanceolate, 3.5–5.2 mm, apices acuminate;

inner 8–13, obovate, 3.8–5.9 mm, apices acuminate to acute.

1–12 per plant, in paniculiform to corymbiform arrays.

15–350+ per plant in paniculiform arrays.

obpyramidal to narrowly obpyramidal, 3.5–4.5 mm;

pappi of 5–7 lanceolate to lanceolate-acuminate scales 2.9–4.1 mm.

narrowly obpyramidal, 1.7–2.5 mm;

pappi of 5–6 obovate, aristate scales 1.6–2.3 mm.

= 30.

= 22, 24, 28, 30.