Flora of North America species comparison

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

ascending or erect, branched.

cauline, often crowded near base;

stipules well developed;

petiole 1–9 cm;

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

cauline, crowded near base;

petiole 2–6 cm;

leaflets 5 or 6(or 7), blades 10–25 × 6–12 mm, adaxial surface glabrous.

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

flowers spirally arranged.

2–12 cm;

flowers spirally arranged.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

3–6 cm;

bracts deciduous, 2–3 mm.

1–3.5 mm.

4–6 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.

10–13 mm;

calyx 6–8 mm, abaxial lobe entire or cleft, 4–5 mm, adaxial lobe cleft, 2–3 mm, hairs silvery;

corolla usually dark blue, rarely white, banner spot bright white, keel glabrous, wings flat.

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

2.5–3.5 cm, white silky-villous.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled or ridged.

4 or 5.

= 36.