Flora of North America species comparison

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

erect or spreading, branched 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, basal when present withered by anthesis;

stipules 5–10 mm;

petiole 4–20 cm;

leaflets 5–11, blades 40–100 × 6–24 mm, abaxial surface ± hairy, adaxial surface glabrous or hairy.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

16–60 cm;

flowers whorled or spirally arranged.

1–10 cm;

bracts persistent, straight, 2–4 mm.

8–20 cm;

bracts deciduous, 8–12 mm.

1–4 mm.

2–12 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.

8–18 mm;

calyx abaxial lobe entire or notched, 4–8 mm, adaxial lobe entire or 2-toothed, 5–10 mm;

corolla blue or purple to white, banner patch usually white to yellowish turning purple, banner glabrous abaxially, lower keel margins usually ciliate, adaxial margin 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.

2–4.5 cm, ± densely hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

6–10, mottled dark brown, 3–4 mm.