Flora of North America species comparison

erect, ascending, or decumbent, branched distally.

erect, branched or unbranched.

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;

petiole 4–9 cm;

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

12–25(–42) cm;

flowers whorled or spirally arranged.

10–40 cm;

flowers whorled.

2–4 cm;

bracts subdeciduous, 5–8 mm.

5–12 cm;

bracts usually deciduous, 8–9 mm.

2–5(–6) mm.

6–8 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.

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.

2–3.7 cm, densely pilosulous.

3–5 × 0.8–1 cm, densely pubescent.

deciduous, petiolate.

deciduous, petiolate.

(2 or)3–5(–7).

5–10.