Flora of North America species comparison

ascending or erect, branched or unbranched.

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

cauline;

petiole 2–7 cm;

leaflets 6–9, blades 15–35 × 3–10 mm, adaxial surface densely pubescent to tomentose.

cauline, often crowded near base;

stipules well developed;

petiole 1–9 cm;

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

5–25 cm;

flowers spirally arranged, sometimes appearing whorled proximally.

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

flowers spirally arranged.

1–9 cm;

bracts deciduous, 2.5–5 mm.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

2.5–5 mm, becoming recurved.

1–3.5 mm.

8.5–12 mm;

calyx 3–5 mm, lobes ± equal, cleft;

corolla golden yellow or white, lower keel margins short-ciliate near claw.

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.

1–2 cm, glabrous or glabrate.

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

deciduous, petiolate.

persistent, disclike, sessile.

3–8, resembling bits of granite.

2, wrinkled or ridged.