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.

mostly cauline on proximal 2/3–7/8 of plant heights;

petioles 2–10(–25+) mm;

blades usually simple, rarely with 1–2(–3+) lateral lobes, simple blades or terminal lobes lance-elliptic to oblanceolate or lanceolate, 15–60(–80) × 2–25(–35) mm.

2–4(–6+) cm.

(7–)12–15+ cm.

pinkish to white, 9–15+ mm.

yellow, 12–15+ mm.

40–60+;

corollas ochroleucous to yellow, 2.5–3 mm.

4.6–5.4 mm, apices yellow.

deltate-ovate, 4.5–5.5 mm.

lance-ovate to lanceolate, 5–8+ mm.

of oblong to linear bractlets 1.5–2+ mm.

of lanceolate to lance-linear bractlets 3–7 mm.

narrowly oblong, 1.3–1.8 mm, not winged;

pappi 0.

2.5–3 mm, wings ± spreading, ± chartaceous, entire.

(± mid stem) 1–4(–5+) cm.

nodes proximal to first peduncle usually (5–)6–12+, distalmost 1–3 internodes 4–6(–10+) cm.

= 26.

= 26 (+ 0–2B).