Flora of North America species comparison

erect, branched or unbranched.

decumbent, ascending, or erect, clustered, usually unbranched.

cauline;

petiole 4–9 cm;

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

cauline;

stipules 7–14 mm;

petiole 2–5 cm;

leaflets 6 or 7, blades 20–50 × 4–8 mm, adaxial surface hairs silvery-silky.

10–40 cm;

flowers whorled.

dense, 3–7 cm;

flowers ± whorled.

5–12 cm;

bracts usually deciduous, 8–9 mm.

(1–)2–4(–5) cm;

bracts 3–4 mm.

6–8 mm.

2–5 mm.

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.

11–13 mm;

calyx 6–7 mm, bulge or spur 0–1 mm, abaxial lobe 3-toothed, adaxial lobe 2-toothed;

corolla blue to lilac, banner patch yellow, banner well reflexed-recurved at or proximal to midpoint, this 3.5–6 mm proximal to apex, banner broader than long, hairy abaxially, lower keel margins glabrous, adaxial margin ciliate.

3–5 × 0.8–1 cm, densely pubescent.

2.5–4 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

5–10.

4–5, mottled brown, 3–4 mm.