Flora of North America species comparison

1–5(–15), usually purple-red-tinted proximally, branched distally, glabrous or ± hairy.

blades simple or lobed (lobes 3), glabrous, gland-dotted;

mid leaves simple or lobed (lobes 3, terminal lobes 2–4 mm wide).

1–3.2 cm, glabrous or ± hairy.

campanulate to urceolate, 6–8 × 6–7 mm.

6–8;

corollas yellow, 4.5–8 × 2.5–5 mm.

25–50+;

corollas 2.7–3.2 mm.

in 2 series, unequal;

outer 7–9, basally connate 1/4–1/3 their lengths, lanceolate, 4.5–6 mm, apices usually rounded;

inner 7–11, obovate, 3.5–4.5 mm, apices mucronate.

50–250+ per plant, in corymbiform arrays.

narrowly obpyramidal, 2–3 mm;

pappi usually of 5 obovate, sometimes aristate, scales 0.9–1.8 mm.

= 30.