Flora of North America species comparison

blades simple or 1(–2)-pinnately lobed, terminal lobes filiform, 0.5–1(–1.5) mm wide.

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).

5–15(–30+) cm.

2–6+ cm.

(5–)8(–12+);

laminae 7–10(–15+) mm.

12–30+ mm.

20–60(–100+);

corollas 2–3.6 mm.

40–80+;

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

5–8, obovate to oblanceolate, 4–6(–7+) mm.

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

of (3–)5–8 linear bractlets 3–7+ mm, not ciliolate near bases.

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

± oblong, (2.5–)3–4+ mm, marked adaxially with red dots or dashes, wings corky-thickened, faces ± tuberculate and/or hirtellous.

obovate to oblong, 4–5 mm.

(± mid stem) 5–11 cm.

= 24.

= 26, 78, 104.