Flora of North America species comparison

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

prostrate, branched, base ± woody.

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 near base;

stipules 2–5 mm;

petiole 1–5(–6) cm;

leaflets 5–10, blades 3–20 × 2–6 mm, adaxial surface pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

dense, 1–10 cm;

flowers whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

1–3(–8) cm;

bracts deciduous, 3–5 mm.

1–4 mm.

1–3(–4) 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.

4–11 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 4–6 mm, adaxial lobe 2-toothed, 4–7 mm;

corolla blue to violet, banner patch white or yellow, banner glabrous or densely hairy abaxially, keel straight, abaxial margins glabrous, adaxial margin glabrous or ciliate.

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

1–2 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3 or 4, mottled tan, brown, 3–4 mm.