Flora of North America species comparison

short, erect or spreading, branched or unbranched.

erect, ascending, or decumbent, branched.

cauline, crowded near base;

stipules well developed;

petiole 2–8 cm;

leaflets 7–9, blades 10–20 × 5–8 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.

elongate, dense, several–many-flowered, 2–12 cm, usually exceeding leaves;

flowers spirally arranged.

open to dense, 10–30 cm;

flowers ± whorled.

3–5(–10 in fruit) cm;

bracts persistent, straight, 2–3 mm.

8–15 cm;

bracts deciduous, 3–4 mm.

1–3 mm.

4–6 mm.

7–10 mm;

calyx abaxial lobe shallowly cleft, 4–5 mm, adaxial lobe deeply cleft, 1–3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot yellow, keel blunt, 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 obviously undulate, ovoid, often secund, 0.5–1 cm, adaxial margin not constricted between seeds, thinly pilose to coarsely hirsute.

2–3 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2–4, ridged.

3–7, light brown, 3–5 mm.