Flora of North America species comparison

erect or ascending, very short, tufted or spreading, branched.

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

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous.

cauline, often crowded near base;

stipules well developed;

petiole 1–9 cm;

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

several–many-flowered, 3–14 cm;

flowers spirally arranged.

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

flowers spirally arranged.

1–10 cm;

bracts persistent, straight, 2–4 mm.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

1–4 mm.

1–3.5 mm.

4.5–7 mm;

calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, glabrous.

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.

undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying.

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

persistent, disclike, sessile.

persistent, disclike, sessile.

2, wrinkled.

2, wrinkled or ridged.