Flora of North America species comparison

erect, branched or unbranched.

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

cauline;

petiole 4–9 cm;

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

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

10–40 cm;

flowers whorled.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

5–12 cm;

bracts usually deciduous, 8–9 mm.

1–10 cm;

bracts persistent, straight, 2–4 mm.

6–8 mm.

1–4 mm.

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.

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.

3–5 × 0.8–1 cm, densely pubescent.

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

deciduous, petiolate.

persistent, disclike, sessile.

5–10.

2, wrinkled.