Flora of North America species comparison

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

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

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

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

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).

2–12 cm, sparsely hairy.

1.5–5.5 cm, ± hairy.

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

campanulate, 8–9 × 8–11 mm.

8–13;

corollas yellow, 8.5–11 × 3–5.5 mm.

8–11;

corollas yellow, 9–15 × 4–7 mm.

50–150+;

corollas 2.6–4.1 mm.

25–80+;

corollas 3.5–4.2 mm.

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.

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.

15–350+ per plant in paniculiform arrays.

10–50+ per plant, in paniculiform to corymbiform arrays.

narrowly obpyramidal, 1.7–2.5 mm;

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

narrowly obpyramidal, 2–2.7 mm;

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

= 22, 24, 28, 30.

= 30.