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 (or 5–25+ mm, winged, and scarcely distinct from blades);

blades not 3-foliolate, most with 3(–5+), ± oblong to linear lobes (5–)15–40+ × 2–3(–7+) mm (sometimes some leaves not lobed).

(8–)12–20(–35+) cm.

1–4+ cm.

yellow, 15–30+ mm.

15–25+ mm.

6–7.5 mm, apices yellow.

60–80+;

corollas yellow (sometimes drying blackish), 5–6.5 mm.

deltate to lance-deltate, 8–12+ mm.

8, ± oblong to nearly orbiculate, 6–10 mm.

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

of 9–12+ oblong to lanceolate bractlets 3–9+ mm.

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

oblong, 5–6 mm.

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

(± mid stem) 25–50 mm.

= 26 (+ 0–4B).

= 26.