Flora of North America species comparison

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

erect, branched or unbranched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

cauline;

petiole 4–9 cm;

leaflets usually 9, blades 10–40 × 4–9 mm, adaxial surface villous to pilose.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

10–40 cm;

flowers whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

5–12 cm;

bracts usually deciduous, 8–9 mm.

1–4 mm.

6–8 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.

11–17 mm;

calyx 4–7 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla usually blue, rarely white, banner spot white, upper keel margins ciliate near apex, banner as wide as or wider than long.

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

3–5 × 0.8–1 cm, densely pubescent.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

5–10.