Flora of North America species comparison

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

erect, unbranched or branched.

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 green, leaflike, lanceolate, 6–30 mm;

petiole 3–6 cm;

leaflets 6–9, blades 20–60 × 4–8 mm, adaxial surface pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

3–20 cm;

flowers ± whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

1–11 cm;

bracts deciduous, 4–10 mm.

1–4 mm.

2–7 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 entire or 3-toothed, 5–12 mm, adaxial lobe 2-toothed, 5–10 mm;

corolla blue, banner patch white, banner glabrous abaxially, keel upcurved, usually glabrous, sparsely hairy near middle of adaxial margin.

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

2–4 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

2–6, beige, mottled brown, 4–5 mm.