Flora of North America species comparison

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

1–10, green throughout to purple-red-tinted proximally or distally to purple-red-tinted throughout, usually unbranched 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 3–15), ± hairy, gland-dotted (basal leaf bases, sparsely, if at all, long-villous-woolly);

mid leaves simple or lobed (lobes 3–7, terminal lobes 1–2.5 mm wide).

(1–)2–4.5 cm, glabrous or ± hairy.

1–10 cm, ± hairy, tomentose distally near involucres.

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

hemispheric to subglobose, 15–25 × 18–30 mm.

9–12;

corollas yellow, 10–16 × 4–6.5 mm.

15–34(–44);

corollas yellow, 16–30 × 4–8 mm.

50–125+;

corollas 3.5–4.2 mm.

150–400+;

corollas 5–6 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 2–3 series, subequal;

outer 16–24, basally connate 1/5–1/4 their lengths, lanceolate, 9–15 mm, apices acute;

inner 16–24+, lanceolate to oblanceolate, 8–12 mm, apices acuminate to acute.

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

1–10 per plant, usually borne singly.

obpyramidal to narrowly obpyramidal, 2.5–3.5 mm;

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

obpyramidal to narrowly obpyramidal, 3.3–3.7 mm;

pappi of 5–7 lanceolate, aristate scales 4.5–5.3 mm.

= 30.

= 30.