Flora of North America species comparison

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

prostrate to decumbent, branched, not weak, from woody base.

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, often appearing clustered near base first year;

stipules 7–16 mm;

petiole 2–10 cm;

leaflets 5–9, blades 15–35 × 3–9 mm, adaxial surface pubescent.

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

flowers spirally arranged.

± open, 6–16 cm;

flowers whorled or not.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

4–12 cm;

bracts deciduous, 4–7 mm.

1–3.5 mm.

4–12 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.

10–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed or entire, 8–9 mm, adaxial lobe 2-toothed, 7–8 mm;

corolla blue to lilac, white, yellow, rose, or purple (sometimes on same plant), banner patch whitish or yellow, or absent, banner glabrous abaxially, lower keel margins glabrous, adaxial margin ciliate.

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

3–4 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled or ridged.

7–12.