Flora of North America species comparison

short and tufted or erect, branched from base or near middle.

basally branched or unbranched.

cauline, often crowded near base;

stipules well developed;

petiole 1–9 cm;

leaflets 5–9, blades 10–40 × 5–10 mm, adaxial surface glabrous.

basal;

petiole 2–12 cm;

leaflets 5–9, blades bright green, 8–24 × 3–10 mm, adaxial surface glabrous.

8–12-flowered, 2–11 cm, shorter than or slightly exceeding foliage;

flowers spirally arranged.

4–25 cm;

flowers spirally arranged.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

hollow, 6–15 cm;

bracts persistent, straight, 2–4 mm, tips sparsely ciliate.

1–3.5 mm.

3–7 mm.

5–12 mm;

calyx abaxial lobe entire, 5–6 mm, adaxial lobe cleft, 2.5–4 mm;

corolla vivid blue, sometimes paler or white, sometimes bicolored, banner spot white or yellowish, keel glabrous.

7–10 mm;

calyx lobes sometimes ciliate at tips, abaxial lobe entire, 4–5 mm, adaxial lobe rounded or shallowly 2-toothed, 3–3.5 mm;

corolla deep blue-purple, banner spot white or yellow becoming magenta, keel glabrous.

1.5 cm, constricted between seeds, thinly pilose to coarsely hirsute.

1.5–2.5 cm, adaxial suture undulate and ciliate with long dense hairs, sides with a few short hairs becoming scaly on drying.

persistent, disclike, sessile.

persistent, disclike, sessile.

2, wrinkled or ridged.

2–6, ridged.