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.

1–10, green throughout or sometimes purple-red-tinted proximally, sparingly or moderately branched distally, ± hairy.

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

mid leaves simple.

blades usually lobed (lobes 3–23), glabrous or sparsely hairy, gland-dotted (basal leaf bases sparsely, if at all, long-villous-woolly);

mid leaves lobed (lobes 5–21, terminal lobes 0.8–1.2 mm wide).

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

1.5–5.5 cm, ± hairy.

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

campanulate, 8–9 × 8–11 mm.

14–26;

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

8–11;

corollas yellow, 9–15 × 4–7 mm.

100–325+;

corollas 4.2–5.4 mm.

25–80+;

corollas 3.5–4.2 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 8–11, basally connate 1/2–2/3 their lengths, obovate, 4.5–6 mm, apices acute;

inner 8–12, obovate, 4.5–6 mm, apices mucronate.

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

10–50+ per plant, in paniculiform to corymbiform 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, 2–2.7 mm;

pappi of 5–6 obovate, aristate scales 1.7–2.7 mm.

= 30.

= 30.