Flora of North America species comparison

erect or ascending, very short, tufted or spreading, branched.

ascending or erect, branched near middle or unbranched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous.

cauline;

petiole 2–5 cm;

leaflets 7–9, blades 10–30 × 4–9 mm, adaxial surface usually pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

9–35 cm;

flowers in crowded whorls.

1–10 cm;

bracts persistent, straight, 2–4 mm.

4–15 cm;

bracts persistent, reflexed, 5–11 mm, pubescent.

1–4 mm.

1–3 mm.

4.5–7 mm;

calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, glabrous.

10–16 mm;

calyx appendages usually absent, abaxial lobe entire, 6–10 mm, adaxial lobe entire, 3–5 mm;

corolla usually pale yellow, sometimes pinkish or bright blue, lower wing margins rarely ciliate, upper margins ciliate near claw, lower and upper keel margins densely ciliate near claw.

undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying.

1–1.5 cm, pubescent.

persistent, disclike, sessile.

persistent or deciduous, disclike (leaving a circular scar), sessile.

2, wrinkled.

2, dark brown, tuberculate.