Flora of North America species comparison

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

erect, ascending, or decumbent, branched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

cauline and basal;

stipules 4–9 mm;

petiole 2–16 cm;

leaflets 7–10(–13), blades 20–70 × 3–15 mm, adaxial surface strigose.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

open, 3–18 cm;

flowers whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2–5 cm;

bracts deciduous, 3–6 mm.

1–4 mm.

1–7 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.

8–14 mm;

calyx spur distinct, 1–3 mm, abaxial lobe 3-toothed, 2.5–5 mm, 1–3 mm, adaxial lobe 2-toothed, 2–4 mm;

corolla blue, purple, pink, white, or yellowish, banner patch white, yellowish, or absent, banner hairy abaxially, wings with dense hair patch outside near tip, 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, silky.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3–6, tan, 5–6 mm.