Flora of North America species comparison

blades simple or 1(–2)-pinnately lobed, terminal lobes filiform, 0.5–1(–1.5) mm wide.

basal and cauline; alternate;

petioles ± terete, 5–30+ cm × 0.5–2+ mm, not ciliate;

blades none.

5–15(–30+) cm.

4–8+ cm.

(5–)8(–12+);

laminae 7–10(–15+) mm.

purplish to pinkish, 12–20(–30+) mm.

20–60(–100+);

corollas 2–3.6 mm.

60–120+;

corollas ochroleucous to yellow, 3.5–4.5 mm.

5–8, obovate to oblanceolate, 4–6(–7+) mm.

lance-ovate, 7–8 mm.

of (3–)5–8 linear bractlets 3–7+ mm, not ciliolate near bases.

of lance-deltate to lance-ovate bractlets 2–5 mm.

± oblong, (2.5–)3–4+ mm, marked adaxially with red dots or dashes, wings corky-thickened, faces ± tuberculate and/or hirtellous.

narrowly oblong to linear, 2.5–3+ mm, winged, wings ± pectinate, 0.2–0.4+ mm wide;

pappi of 2 subulate scales 1–1.5 mm.

(± mid stem) 5–25 cm.

= 24.

= 26.