Flora of North America species comparison

solitary, erect, slender, usually unbranched.

ascending or erect, branched or unbranched.

cauline;

stipules 7–9 mm;

petiole to 1 cm;

leaflets 6 or 7, blades 10–40 × 4–10 mm, adaxial surface glabrous.

cauline;

petiole 4–9 cm;

leaflets 5–8, blades 20–50 × 10–20 mm, adaxial surface hirsute.

4–16 cm;

flowers ± whorled or not.

15–40 cm;

flowers spirally arranged.

2–6 cm;

bracts deciduous, 8–10 mm.

5–8 cm;

bracts usually persistent, 4–5 mm.

5–6 mm.

2–5 mm.

8–10(–12) mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 3–5 mm, adaxial lobe 2-toothed, 3–8 mm;

corolla whitish to dull blue (at least in bud), often fading to pale yellow, banner glabrous abaxially, keel glabrous, tip sometimes exserted.

12–18 mm;

calyx 6–10 mm, lobes ± equal, abaxial lobe entire, adaxial lobe deeply cleft;

corolla deep pink to magenta, drying purplish, banner spot white becoming magenta, lower keel margins densely ciliate from middle to near claw.

1.5–2.5 cm, white-hairy, dark when dry.

2–4 cm, coarsely hairy.

deciduous, petiolate.

deciduous, petiolate.

3 or 4, 4–5 mm.

3–6.