Flora of North America species comparison

erect, ascending, or decumbent, branched distally.

erect or slightly spreading, clustered, unbranched or branched distally.

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.

cauline;

stipules 10–15 mm;

proximal petioles (3–)5–14 cm, distal ones (1–)2–4 cm;

leaflets 5–8, blades 35–80 × 2–5 mm, adaxial surface pubescent.

12–25(–42) cm;

flowers whorled or spirally arranged.

6–20 cm;

flowers in 4–8 distinct whorls.

2–4 cm;

bracts subdeciduous, 5–8 mm.

6–12 cm;

bracts semideciduous, 4–10 mm.

2–5(–6) mm.

2–4 mm.

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.

8–18 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 2 or 3-toothed or entire, 5–7 mm, adaxial lobe 2-toothed, 7 mm;

corolla blue, banner patch white to yellowish, banner glabrous abaxially, lower keel margins glabrous, adaxial keel sparsely ciliate.

2–3.7 cm, densely pilosulous.

2–3 cm, densely hairy.

deciduous, petiolate.

deciduous, petiolate.

(2 or)3–5(–7).

6–8.