Flora of North America species comparison

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

erect, branched from just above ground.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

cauline, clustered at base, ± fleshy;

stipules 15–20 mm;

petiole 2–15 cm;

leaflets 5–8, blades widely oblanceolate, 25–70 × 10–30 mm, surfaces silver-silky.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

1–1.5 cm;

flowers ± whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

1–2.5 cm;

bracts deciduous, 5–7 mm.

1–4 mm.

1–2 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.

10–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 5–7 mm, adaxial lobe obscurely 2-toothed, 4–6 mm;

corolla yellow, banner usually hairy abaxially, lower keel margins glabrous, adaxial margin ciliate middle to tip.

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

3–4 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3–5.