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.

blades simple or pinnately lobed, terminal lobes filiform, 0.5–1+ mm wide.

2–4(–6+) cm.

5–15(–20+) cm.

(5–)8(–9+);

laminae 5–12(–16+) mm.

pinkish to white, 9–15+ mm.

40–60+;

corollas ochroleucous to yellow, 2.5–3 mm.

8–60(–100+);

corollas 2.8–3.5 mm.

deltate-ovate, 4.5–5.5 mm.

(5–)8, ovate, 5–7+ mm.

of oblong to linear bractlets 1.5–2+ mm.

of (3–)5 linear bractlets 3–5(–12) mm, not ciliolate near bases.

narrowly oblong, 1.3–1.8 mm, not winged;

pappi 0.

± oblanceolate, 3.5–4+ mm, not marked adaxially with red dots or dashes, wings usually thin, sometimes corky-thickened, faces usually smooth, rarely tuberculate, not hirtellous.

(± mid stem) 1–4(–5+) cm.

= 26.

= 24.