Flora of North America species comparison

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

erect, clustered, branched or unbranched, long-villous.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

basal and cauline;

stipules 5–11 mm;

petiole 2–3 cm;

leaflets 6–9, blades 25–75 × 4–6 mm, adaxial surface villous, hairs silvery.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

7–21 cm;

flowers ± whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2–5.5 cm;

bracts deciduous or persistent, 4–9 mm.

1–4 mm.

2–3.5 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.

10–14 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 5.5–8 mm, adaxial lobe, 2-toothed, 5–7 mm;

corolla cream to pale yellow, banner usually hairy abaxially, keel glabrous.

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

2–3 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

2 or 3, white, mottled black, 4–5 mm.