Flora of North America species comparison

basal and proximal cauline 20–30(–40) cm, proximal cauline blades hastate to deltate or lanceolate.

basal 25–54 cm, proximal cauline 25–32 cm, proximal cauline blades deltate (distal appearing sessile, petioles prominently winged).

campanulate to obconic, 11–14 mm.

cylindric, 8–12.5 mm.

18–55;

corollas ochroleucous or white (rarely pinkish), 8–9(–10.5) mm;

anthers 2–2.5 mm.

10–14;

corollas pale greenish white, 9–10 mm;

anthers 1.5–2 mm.

(10–)12–14(–17).

7–9.

pale green to light brown, 5–7(–9) mm;

pappi 6–7 mm.

light golden brown with darker brown veins, 6–9 mm;

pappi 4–6 mm.

= 20.

= 20.