Flora of North America species comparison

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

erect, ascending, or decumbent, branched distally.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

mostly cauline, basal normally absent;

stipules 5–7 mm;

petiole 2–14 cm (longer proximally becoming shorter distally);

leaflets 5–13, blades 10–60(–90) × 3–11(–19) mm, surfaces usually silky, rarely thinly silky appearing glabrous abaxially.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

12–25(–42) cm;

flowers whorled or spirally arranged.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2–4 cm;

bracts subdeciduous, 5–8 mm.

1–4 mm.

2–5(–6) 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(–18) mm;

calyx sometimes slightly saccate, abaxial lobe subentire or entire, 5 mm, adaxial lobe 2-fid, 6 mm;

corolla pale purple to bright blue, sometimes yellowish or whitish, banner spot white to yellow turning brown, banner well reflexed-recurved at or proximal to midpoint, this 3.5–6 mm proximal to apex, keel moderately curved, banner silky-hairy abaxially, adaxial keel ciliate almost full length, not reaching tip.

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

2–3.7 cm, densely pilosulous.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

(2 or)3–5(–7).