Flora of North America species comparison

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

erect, tufted, unbranched.

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 8–10 mm;

basal petioles to 14 cm, cauline to 4 cm;

leaflets 6–10, blades 20–50 × 4–6 mm, adaxial surface pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

5–17 cm;

flowers spirally arranged.

1–10 cm;

bracts persistent, straight, 2–4 mm.

3–6 cm;

bracts deciduous, 4–5 mm.

1–4 mm.

4–8 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 3-toothed, 4–5 mm, adaxial lobe 2-toothed, 3–4 mm;

corolla blue, banner patch white to yellowish, banner glabrous abaxially, keel strongly upcurved, 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, densely hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3–4.