Flora of North America species comparison

mostly cauline; opposite;

petioles 0–1 mm, ciliate or not;

blades lance-linear to linear or filiform, 20–45(–60) × 1–2(–3+) mm, rarely with 1–2 lateral lobes.

basal and cauline; alternate;

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

blades none.

2–4(–6+) cm.

4–8+ cm.

pinkish to white, 9–15+ mm.

purplish to pinkish, 12–20(–30+) mm.

40–60+;

corollas ochroleucous to yellow, 2.5–3 mm.

60–120+;

corollas ochroleucous to yellow, 3.5–4.5 mm.

deltate-ovate, 4.5–5.5 mm.

lance-ovate, 7–8 mm.

of oblong to linear bractlets 1.5–2+ mm.

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

narrowly oblong, 1.3–1.8 mm, not winged;

pappi 0.

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) 1–4(–5+) cm.

(± mid stem) 5–25 cm.

= 26.

= 26.