Flora of North America species comparison

erect or ascending, very short, tufted or spreading, branched.

erect, branched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous.

basal;

stipules 6–11 mm;

petiole (2–)3–6(–8) cm;

leaflets 5–8, blades 5–20 × 5–8 mm, adaxial surface pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

crowded, 2–6 cm;

flowers whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

3–7 cm;

bracts ± deciduous, 4–5 mm.

1–4 mm.

(2–)4–5 mm.

4.5–7 mm;

calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, glabrous.

8–11 mm;

calyx bulge or spur 0–1 mm, abaxial lobe ± entire, 6–7 mm, adaxial lobe deeply 2-toothed, 5–7 mm;

corolla violet, banner patch cream or white, keel ± straight, banner glabrous abaxially, lower keel margins glabrous, adaxial margin usually glabrous.

undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying.

1–2 cm, appressed-villous.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3–5, white.