Flora of North America species comparison

very short, tufted, branched.

basally branched or unbranched.

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.

basal;

petiole 2–12 cm;

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

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

4–25 cm;

flowers spirally arranged.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

hollow, 6–15 cm;

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

0.3–1.5 mm.

3–7 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.

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.

not undulate, 1 cm, 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.

1 or 2, smooth.

2–6, ridged.