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 on proximal 3/4–7/8 of plant heights;

petioles 8–35(–120) mm;

blades simple or 1(–2)-pinnately lobed with 3–9+ lobes, simple blades or terminal lobes elliptic or lanceolate to oblanceolate or linear, 25–55+ × (1–)2–9(–20) mm.

2–4(–6+) cm.

6–15+ cm.

pinkish to white, 9–15+ mm.

yellow, usually each with a proximal, red-brown to purple spot or band, 15–20+ mm.

40–60+;

corollas ochroleucous to yellow, 2.5–3 mm.

3–4 mm, apices red-brown to purple.

deltate-ovate, 4.5–5.5 mm.

lance-ovate, 7–9+ mm.

of oblong to linear bractlets 1.5–2+ mm.

of lance-deltate to linear bractlets 6–9(–12+) mm.

narrowly oblong, 1.3–1.8 mm, not winged;

pappi 0.

1.2–1.8 mm, wingless (margins ± inrolled adaxially, ± corky).

(± mid stem) 1–4(–5+) cm.

nodes proximal to first peduncle usually 5–10+, distalmost 1–3 internodes 4–7(–10) cm.

= 26.

= 26.