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.

lobes mostly linear, 5–30(–45) × (0.5–)1–2(–4) mm.

2–4(–6+) cm.

(8–)15–30+ cm.

16–21+;

laminae 20–35+ mm.

pinkish to white, 9–15+ mm.

40–60+;

corollas ochroleucous to yellow, 2.5–3 mm.

5.5–7 mm.

deltate-ovate, 4.5–5.5 mm.

12–13+, lanceolate, 12–20 mm.

of oblong to linear bractlets 1.5–2+ mm.

of 7–11+ oblong-deltate to linear bractlets (8–)12–20(–30) mm.

1–2(–4+) per stem.

narrowly oblong, 1.3–1.8 mm, not winged;

pappi 0.

oblong-rectangular, 6–7 mm.

(± mid stem) 1–4(–5+) cm.

= 26.

= 24.