Flora of North America species comparison

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

decumbent, ascending, or erect, clustered, usually unbranched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

cauline;

stipules 7–14 mm;

petiole 2–5 cm;

leaflets 6 or 7, blades 20–50 × 4–8 mm, adaxial surface hairs silvery-silky.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

dense, 3–7 cm;

flowers ± whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

(1–)2–4(–5) cm;

bracts 3–4 mm.

1–4 mm.

2–5 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.

11–13 mm;

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

corolla blue to lilac, banner patch yellow, banner well reflexed-recurved at or proximal to midpoint, this 3.5–6 mm proximal to apex, banner broader than long, hairy abaxially, lower keel margins glabrous, adaxial margin ciliate.

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

2.5–4 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

4–5, mottled brown, 3–4 mm.