Flora of North America species comparison

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

± prostrate or ascending, branched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

basal (clustered near base);

stipules 4–5 mm;

petiole 2–4.5 cm;

leaflets 6–8, blades 10–20 × 2–4 mm, adaxial surface pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

2–7 cm;

flowers in few whorls, widely separated.

1–10 cm;

bracts persistent, straight, 2–4 mm.

5–10 cm;

bracts usually deciduous, 4–5 mm.

1–4 mm.

2–4 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.

9–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe obscurely 3-toothed, 5–6 mm, adaxial lobe notched, 4–5 mm;

corolla ± violet, banner patch yellow, banner usually hairy abaxially, 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.

2–3 cm, pilose.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

1 or 2.