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.

petioles 0–1 mm;

blades simple or 3-foliolate, simple blades or leaflets ± lance-elliptic to narrowly lanceolate, 25–55(–100+) × (4–)6–15(–30+) mm (seldom lobed).

(8–)12–20(–35+) cm.

2–6+ cm.

yellow, 15–30+ mm.

12–30+ mm.

6–7.5 mm, apices yellow.

40–80+;

corollas yellow (often drying blackish to purplish), 6–7 mm.

deltate to lance-deltate, 8–12+ mm.

8, lance-oblong to lance-ovate, 6–8 mm.

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

of 7–8 oblong to linear bractlets 3–6 mm.

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

obovate to oblong, 4–5 mm.

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

(± mid stem) 5–11 cm.

= 26 (+ 0–4B).

= 26, 78, 104.