Flora of North America species comparison

short-decumbent, clustered, unbranched.

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

cauline, clustered near base;

stipules 8–10 mm;

petiole (5–)8–13 cm;

leaflets 5–9, blades oblanceolate, 15–50 × 4–10 mm, abaxial surface silky-hairy, 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.

5–15 cm;

flowers not whorled.

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

flowers spirally arranged.

4–8 cm;

bracts deciduous, 3–4 mm.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

3–5 mm.

1–3.5 mm.

8–11 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 3.5–6 mm, adaxial lobe 2-toothed, 2–5 mm;

corolla violet, banner glabrous abaxially, lower keel margins glabrous, adaxial margin ciliate.

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.

3–4.5 cm, hairy.

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

deciduous, petiolate.

persistent, disclike, sessile.

5 or 6, brown, 6–7 mm.

2, wrinkled or ridged.