Flora of North America species comparison

very short, tufted, branched.

ascending-erect, branched.

cauline, crowded near base;

stipules well developed;

petiole 1–6 cm;

leaflets (3 or)5–9, blades 8–20 × 2–9 mm, adaxial surface glabrous.

cauline;

stipules 5–13 mm;

petiole 1–5 cm;

leaflets 6–9, blades 20–60 × 4–8 mm, adaxial surface glabrous or with scattered hairs.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

open, 6–34 cm;

flowers spirally arranged.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

1–8 cm;

bracts ± persistent, 3–7 mm.

0.3–1.5 mm.

2–4 mm.

6–8 mm;

calyx abaxial lobe entire or shallowly cleft, ± 6 mm, adaxial lobe 2-toothed, 3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot white or yellow, keel glabrous.

8–10(–12) mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 4–9 mm, adaxial lobe 2-toothed, 4–8 mm;

corolla usually pale yellow to orange-yellow, sometimes white, banner patch orange to yellow, keel tip pale lavender, banner usually hairy abaxially, keel glabrous.

not undulate, 1 cm, thinly pilose to coarsely hirsute.

2.5–4 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

1–4, speckled tan and brown, 4.5–5.5 mm.