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.

petioles 0–1 mm;

blades usually 3-foliolate, simple blades or leaflets entire or each ± pedately lobed with 2–5+, ± oblong to linear lobes 15–30+ × 1–1.5(–2.5+) mm.

2–4(–6+) cm.

2–5(–8+) cm.

pinkish to white, 9–15+ mm.

10–20+ mm.

40–60+;

corollas ochroleucous to yellow, 2.5–3 mm.

30–45+;

corollas yellow (sometimes drying blackish) or purple, 3–4 mm.

deltate-ovate, 4.5–5.5 mm.

8, lance-ovate to oblong, 4–5 mm.

of oblong to linear bractlets 1.5–2+ mm.

of 8 oblong to linear bractlets 1.5–3+ mm.

narrowly oblong, 1.3–1.8 mm, not winged;

pappi 0.

obovate to oblong, 4–5 mm.

(± mid stem) 1–4(–5+) cm.

(± mid stem) 8–12(–16) mm.

= 26.

= 26.