Flora of North America species comparison

ascending or erect, branched or unbranched.

erect, ascending, or decumbent, branched distally.

cauline;

petiole flattened and leafletlike, 3–10 cm;

leaflets 5–8, blades 20–40 × 2–5 mm, apex usually truncate, 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.

6–35 cm;

flowers loosely spirally arranged.

12–25(–42) cm;

flowers whorled or spirally arranged.

3–10 cm;

bracts persistent, 2–5 mm.

2–4 cm;

bracts subdeciduous, 5–8 mm.

2–4 mm.

2–5(–6) mm.

8–13 mm;

calyx 3–4 mm, lobes ± equal, abaxial lobe entire or shallowly cleft, 2.5–3 mm, adaxial lobe deeply cleft, 1.5–2 mm;

corolla banner and wings magenta, banner spot white or yellowish, becoming dark magenta, keel stout, blunt, lower and upper margins ciliate from claw to middle.

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.

±3 cm, pubescent.

2–3.7 cm, densely pilosulous.

deciduous, petiolate.

deciduous, petiolate.

6–8.

(2 or)3–5(–7).