Flora of North America species comparison

3–10(–15), green throughout or purple-red-tinted proximally, branched distally, glabrous or ± sparsely hairy.

1–5(–10+), green throughout or lightly purple-red-tinted proximally, branched distally, ± hairy.

blades simple or lobed (lobes 3–13), glabrous or sparsely hairy, gland-dotted;

mid leaves lobed (lobes 3–7, terminal lobes 1.5–2.3 mm wide).

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

mid leaves usually lobed (lobes 3, terminal lobes 2–5.5 mm wide), sometimes simple.

(1–)2–4.5 cm, glabrous or ± hairy.

(2.5–)4–7.5 cm, ± hairy.

subhemispheric to campanulate, 8–11 × 12–15 mm.

subhemispheric to hemispheric, 9–12 × 12–18 mm.

9–12;

corollas yellow, 10–16 × 4–6.5 mm.

10–16;

corollas yellow to yellow-orange, 17–31 × 5–11 mm.

50–125+;

corollas 3.5–4.2 mm.

50–150+;

corollas 3.5–5.5 mm.

in 2 series, unequal;

outer 10–12, basally connate 1/4–1/2 their lengths (moderately to strongly keeled), ovate to lanceolate, 4.5–7 mm, apices acuminate to acute;

inner 13–18(–28), obovate, 4–6 mm, apices usually mucronate.

in 2 series, unequal;

outer 10–15, basally connate 1/4–1/3 their lengths (weakly keeled), lanceolate, 7.5–11 mm, apices acuminate;

inner 13(–17), obovate, 5–8 mm, apices acuminate to mucronate.

10–85+ per plant, in paniculiform to corymbiform arrays.

5–50+ per plant, in paniculiform to corymbiform arrays.

obpyramidal to narrowly obpyramidal, 2.5–3.5 mm;

pappi of 5(–6) obovate, aristate scales (1.5–)2.1–2.8 mm.

narrowly obpyramidal, 2.5–3.5 mm;

pappi of 5–7 obovate to lanceolate, aristate scales 2.5–4 mm.

= 30.

= 30.