Flora of North America species comparison

basal and cauline on proximal 1/4–1/3(–1/2) of plant heights;

petioles 1–5(–8+) cm;

blades simple or with 1–2+ lateral lobes, simple blades or terminal lobes lance-ovate or lanceolate to oblanceolate or lance-linear, 5–12 cm × 8–15(–18+) mm.

mostly cauline; opposite;

petioles 5–15 mm, ciliate;

blades elliptic to lanceolate, 20–45+ × 9–18+ mm, not lobed.

(8–)12–20(–35+) cm.

3–8+ cm.

yellow, 15–30+ mm.

yellow, 20–25+ mm.

6–7.5 mm, apices yellow.

45–80+;

corollas purplish or purple-tipped, 2.8–3.7 mm.

deltate to lance-deltate, 8–12+ mm.

lance-ovate, 7–8+ mm.

of lance-ovate to lance-linear or linear bractlets 4–8(–12) mm.

of ± oblong to linear bractlets 3–5 mm.

(2.6–)3–4 mm, wings ± spreading, ± chartaceous, entire.

narrowly obovate, 4–4.5 mm, winged, wings 0.1 mm wide, ± pectinate;

pappi of 2 cusps 0.1–0.2 mm.

nodes proximal to first peduncle usually 1–3(–5+), distalmost 1–3 internodes 1–2(–8+) cm.

(± mid stem) 3–8 cm.

= 26 (+ 0–4B).

= 26.