Flora of North America species comparison

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

ascending or erect, branched near middle.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

cauline;

petioles 2–8 cm;

leaflets usually 7, blades bright green, 20–50 × 5–15 mm, adaxial surface sparsely pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

dense, 5–10 cm;

flowers spirally arranged.

1–10 cm;

bracts persistent, straight, 2–4 mm.

8–18 cm;

bracts tardily deciduous, 3–5 mm.

1–4 mm.

1.5–4 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.

13–18 mm;

calyx abaxial lobe entire, 5–7 mm, adaxial lobe deeply cleft, 4–6 mm;

corolla banner yellow, wings usually pink, rarely white, keel white, lower and upper margins ciliate from claw to middle.

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

2 cm, glabrous or glabrate.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

usually 5.