Flora of North America species comparison

on proximal 1/2–3/4 of each stem;

blades of undivided cauline leaves oblong, obovate, or lanceolate to spatulate or lance-linear, margins entire or denticulate, midribs sometimes sparsely pilose.

on proximal 1/2–3/4 of each stem;

blades of undivided cauline leaves ovate to orbiculate, margins entire or denticulate, seldom prickly, midribs rarely prickly-setose.

10–12+ mm.

8–13+ mm.

15–20+;

corollas bluish or yellowish, usually deliquescent.

7–15(–30+);

corollas yellow (sometimes streaked with violet), usually deliquescent.

usually reflexed in fruit.

usually erect in fruit.

in ± corymbiform to paniculiform arrays.

usually in corymbiform, sometimes in paniculiform, arrays.

bodies brown (often mottled), ± flattened, elliptic, 5–6 mm, beaks ± filiform, 1–3 mm, faces 1(–3)-nerved;

pappi white, 5–6 mm.

bodies pale grayish to whitish or tan, ± flattened, obovate, 3–4 mm, beaks ± filiform, 3–5 mm, faces 5–9-nerved;

pappi white, 3.5–4+ mm.

= 34.

= 18.