Flora of North America species comparison

very short, tufted, branched.

erect, ascending, or decumbent, branched.

cauline, crowded near base;

stipules well developed;

petiole 1–6 cm;

leaflets (3 or)5–9, blades 8–20 × 2–9 mm, adaxial surface glabrous.

cauline, clustered near base;

stipules 2–7 mm;

petiole 5–15 cm;

leaflets 4–7, blades widely spoon-shaped, 30–40(–50) × 10–20 mm, surfaces densely silky.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

open to dense, 10–30 cm;

flowers ± whorled.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

8–15 cm;

bracts deciduous, 3–4 mm.

0.3–1.5 mm.

4–6 mm.

6–8 mm;

calyx abaxial lobe entire or shallowly cleft, ± 6 mm, adaxial lobe 2-toothed, 3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot white or yellow, keel glabrous.

12–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 7–10 mm, adaxial lobe 2-toothed, 6–10 mm;

corolla purple to violet, banner ± hairy abaxially, lower keel margins usually ± glabrous, adaxial margin ciliate claw to tip.

not undulate, 1 cm, thinly pilose to coarsely hirsute.

2–3 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

3–7, light brown, 3–5 mm.