Flora of North America species comparison

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

ascending or 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 2–8.5 cm;

leaflets 5–7(–9), blades 10–40 × 1–12 mm, adaxial surface pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

4–40 cm;

flowers usually whorled, sometimes spirally arranged distally.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2–15 cm;

bracts deciduous, 4–12 mm.

1–4 mm.

2.5–7 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.

6–15 mm;

calyx 4–8 mm, lobes ± equal, adaxial lobe deeply cleft;

corolla usually blue, rarely light blue, lavender, pink, 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.

2–4 × 0.4–0.7 cm, pubescent.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

4–12.

= 48.